Eyeglasses

ABSTRACT

The present disclosure provides eyeglasses including: an eyeglass rim; an eyeglass temple, the eyeglass temple comprising a control circuit or a battery; a rotating shaft, the rotating shaft being configured to connect the eyeglass rim and the eyeglass temple, so that the eyeglass rim and the eyeglass temple are relatively rotated around the rotating shaft, and the rotating shaft being disposed with a rotating shaft wiring channel along an axial direction; a connection wire, the connection wire passing through the rotating shaft wiring channel and extending to the eyeglass rim and the eyeglass temple, respectively; and a loud speaking component, the loud speaking component comprising an earphone core, the loud speaking component being connected to the eyeglass temple, the control circuit or battery in the eyeglass temple driving the earphone core to vibrate to generate a sound through the connection wire, and the sound comprising at least two formants. In the present disclosure, a wiring approach in a speaker may be simplified through a flexible circuit board. The eyeglass rim and the eyeglass temple may be connected through a rotating shaft, thereby protecting the connection wire in the eyeglasses and extending the life of the connection wire.

CROSS-REFERENCE TO RELATED APPLICATION

This application is a Continuation of International Application No. PCT/CN2019/102406 filed on Aug. 24, 2019, which claims priority of Chinese Patent Application No. 201810975515.1 filed on Aug. 24, 2018, Chinese Patent Application No. 201910009904.3 filed on Jan. 5, 2019, and Chinese Patent Application No. 201920031804.6 filed on Jan. 5, 2019, the contents of each of which are hereby incorporated by reference in its entirety.

TECHNICAL FIELD

The present disclosure relates to the field of eyeglasses, and more specifically relates to eyeglasses having a speaker.

BACKGROUND

With the development of speaker technology, electronic products (e.g., earphones, MP3, etc.) have been widely used. Speakers may have different product forms. For example, a speaker may be integrated on eyeglasses (e.g., sunglasses, swimming eyeglasses, etc.) or fixed inside an ear or near the ear of a user through a special structure (e.g., an ear hook). As the functions of the products become more diverse, there may be more and more internal modules and wiring of the speaker, and the wiring may be more and more complicated. The complicated wiring may greatly occupy an internal space of the product, and an unreasonable wiring distribution may cause wires to affect each other, which may cause an abnormal sound and affect the sound quality of the speaker. Therefore, it may be necessary to provide a more efficient wiring technology, so as to simplify a wiring approach of the speaker and improve the sound quality of the speaker.

SUMMARY

An embodiment of the present specification may provide eyeglasses. The eyeglasses may include an eyeglass rim; an eyeglass temple, the eyeglass temple comprising a control circuit or a battery; a rotating shaft, the rotating shaft being configured to connect the eyeglass rim and the eyeglass temple, so that the eyeglass rim and the eyeglass temple are relatively rotated around the rotating shaft, and the rotating shaft is disposed with a rotating shaft wiring channel along an axial direction; a connection wire, the connection wire passing through the rotating shaft wiring channel and extending to the eyeglass rim and the eyeglass temple, respectively; and a loud speaking component, the loud speaking component comprising an earphone core, the loud speaking component being connected to the eyeglass temple, the control circuit or battery in the eyeglass temple driving the earphone core to vibrate to generate a sound through the connection wire, and the sound comprising at least two formants.

In some embodiments, the rotating shaft may include a first rotating shaft. Two ends of the first rotating shaft may be respectively connected to the eyeglass rim and the eyeglass temple. The rotating shaft wiring channel may be disposed along an axial direction of the first rotating shaft. The rotating shaft wiring channel may communicate with an outside through a wiring port disposed on at least one end surface of the first rotating shaft. The connection wire may extend to the eyeglass rim or the eyeglass temple through the wiring port.

In some embodiments, the rotating shaft wiring channel may communicate with the outside through a first wiring port and a second wiring port respectively disposed on two end surfaces of the first rotating shaft. The connection wire may extend to the eyeglass rim and the eyeglass temple through the first wiring port and the second wiring port, respectively.

In some embodiments, the rotating shaft wiring channel may communicate with the outside through a first wiring port disposed on an end surface of the first shaft and a second wiring port disposed on a side wall of the first shaft. The connection wire may extend to the eyeglass rim and the eyeglass temple through the first wiring port and the second wiring port, respectively.

In some embodiments, the first rotating shaft may be fixedly connected to one of the eyeglass rim and the eyeglass temple disposed near the second wiring port, and rotatably connected to another of the eyeglass rim and the eyeglass temple disposed near the first wiring port.

In some embodiments, the rotating shaft may further include a second shaft that is coaxial with and spaced from the first shaft. The eyeglass rim may include a first lug. The eyeglass temple may include a second lug and a third lug disposed at intervals. End portions of the first rotating shaft and the second rotating shaft close to each other may be connected to the first lug, end portions of the first rotating shaft and the second rotating shaft away from each other may be connected to the second lug and the third lug, respectively, so as to keep the first lug between the second lug and the third lug.

In some embodiments, the first wiring port may be disposed on an end surface of the first rotating shaft close to the second rotating shaft. The second wiring port may be disposed on a side wall of the first rotating shaft close to the second lug. The first rotating shaft may be rotatably connected to the first lug and fixedly connected to the second lug.

In some embodiments, the first lug and the second lug may be coaxially disposed with a first accommodating hole and a second accommodating hole. Sizes of the first accommodating hole and the second accommodating hole may be disposed to allow the first rotating shaft to be inserted into the first accommodating hole from outside of the eyeglass temple via the second accommodating hole and allow the first rotating shaft in an interference fit with the second accommodating hole and in a clearance fit with the first accommodating hole.

In some embodiments, the first lug and the third lug may be coaxially disposed with a third accommodating hole and a fourth accommodating hole. Sizes of the third accommodating hole and the fourth accommodating hole may be disposed to allow the second rotating shaft to be inserted into the third accommodating hole from outside of the eyeglass temple via the fourth accommodating hole and allow the second rotating shaft in an interference fit with the third accommodating hole and in a clearance fit with the fourth accommodating hole, or allow the second rotating shaft in a clearance fit with the third accommodating hole and in an interference fit with the fourth accommodating hole.

In some embodiments, the second rotating shaft may be a solid shaft. A diameter of the second rotating shaft may be less than a diameter of the first rotating shaft. In a wearing state, the second rotating shaft may be located at an upper side of the eyeglass temple, and the first rotating shaft may be located at a lower side of the eyeglass temple. A connection between the end surface of the first rotating shaft for disposing the first wiring port and a surface of an inner wall of the first rotating shaft for defining the rotating shaft wiring channel may be an arc shape.

In some embodiments, the loud speaking component may further include an auxiliary function module, a flexible circuit board, and a core housing. The auxiliary function module may be configured to receive an auxiliary signal and execute an auxiliary function. The flexible circuit board may be configured to electrically connect to an audio signal wire and an auxiliary signal wire of the control circuit, and electrically connect the audio signal wire and the auxiliary signal wire with the earphone core and the auxiliary function module via the flexible circuit board, respectively. The core housing may be configured to accommodate the earphone core, the auxiliary function module, and the flexible circuit board.

In some embodiments, the flexible circuit board may at least include a number of first pads and a number of second pads. At least one of the number of first pads may be electrically connected to the audio signal wire. The at least one first pad may be electrically connected to at least one of the number of second pads via a first flexible lead on the flexible circuit board. The at least one second pad may be electrically connected to the earphone core via an external wire. At least another one of the number of first pads may be electrically connected to the auxiliary signal wire, and the at least another one first pad may be electrically connected to the auxiliary function module via a second flexible lead on the flexible circuit board.

In some embodiments, the auxiliary function module may be configured to implement one or more functions of an image function, a voice function, an auxiliary control function, and a switch control function.

In some embodiments, the flexible circuit board may include at least a main circuit board and a first branch circuit board. The first branch circuit board may be connected to the main circuit board, away from the main circuit board, and extend along one end of the main circuit board. The auxiliary function module may include at least a first auxiliary function module and a second auxiliary function module. The first auxiliary function module may be disposed on the main circuit board. The second auxiliary function module may be disposed on the first branch circuit board.

In some embodiments, the number of first pads may be disposed on the main circuit board, and the at least one second pad may be disposed on the first branch circuit board.

In some embodiments, the flexible circuit board may further include a second branch circuit board. The second branch circuit board may be connected to the main circuit board, away from the main circuit board, extend along the other end of the main circuit board, and be spaced apart from the first branch circuit board. The auxiliary function module may further include a third auxiliary function module. The third auxiliary function module may be disposed on the second branch circuit board.

In some embodiments, the number of first pads may be disposed on the main circuit board. The at least one second pad may be disposed on the first branch circuit board. Other second pads of the number of second pads may be disposed on the second branch circuit board.

In some embodiments, the earphone core may include a magnetic circuit component and a vibration component. The magnetic circuit component may be configured to provide a magnetic field. The vibration component may include a coil and an inner lea. The coil may be located in the magnetic field, the inner lead may be electrically connected to the coil. The coil may receive an audio current via the inner lead and convert the audio current into a mechanical vibration signal under an action of the magnetic field. One end of the external wire may be electrically connected to the second pad, and the other end of the external wire may be electrically connected to the inner lead and transmit the audio current to the coil.

In some embodiments, a wiring groove may be disposed inside the core housing. The external wire and/or the inner lead line may be disposed inside the wiring groove.

In some embodiments, the inner lead and the external wire may be welded to each other. A welding position may be located inside the wiring groove.

In some embodiments, the earphone core may further include a composite vibration device constituted by a vibration plate and a second vibration transmission plate. The composite vibration device may generate the two formants. The vibration plate may be physically connected to the coil. The second vibration transmission plate may be physically connected to a magnetic circuit system.

In some embodiments, a stiffness coefficient of the vibration plate may be greater than a stiffness coefficient of the second vibration transmission plate.

In some embodiments, the earphone core may further include a first vibration transmission plate. The first vibration transmission plate may be physically connected to the composite vibration device. The first vibration transmission plate may be physically connected to an earphone housing. The first vibration transmission plate may generate another formant.

In some embodiments, frequencies of the at least two formants may be both within a frequency range of sounds audible to human ears.

In some embodiments, at least a portion of the core housing may be disposed with at least one sound guiding hole. The at least one sound guiding hole may derive a sound wave inside the core housing. The sound wave may superimpose with a leaked sound wave generated by vibration of the core housing to reduce a leaked sound.

In some embodiments, the magnetic circuit component may include a first magnetic unit, a first magnetically conductive unit, and at least one second magnetic unit. The first magnetic unit may generate a second magnetic field. The at least one second magnetic unit may surround the first magnetic unit and form a magnetic gap with the first magnetic unit. A magnetic field strength of a first magnetic field in the magnetic gap may be greater than a magnetic field strength of the second magnetic field in the magnetic gap.

In some embodiments, the eyeglasses may further include a second magnetically conductive unit and at least one third magnetic unit. The at least one third magnetic unit may be connected to the second magnetically conductive unit and the at least one second magnetic unit.

In some embodiments, the eyeglasses may further include at least one fourth magnetic unit. The at least one fourth magnetic unit may be located below the magnetic gap and connected to the first magnetic unit and the second magnetically conductive unit.

In some embodiments, the eyeglasses may further include at least one fifth magnetic unit. The at least one fifth magnetic unit may be connected to an upper surface of the first magnetically conductive unit.

In some embodiments, the eyeglasses may further include a third magnetically conductive unit. The third magnetically conductive unit may be connected to an upper surface of the fifth magnetic unit, and the third magnetically conductive unit may be configured to suppress a leakage of a field strength of the first magnetic field.

In some embodiments, the first magnetically conductive unit may be connected to an upper surface of the first magnetic unit. The second magnetically conductive unit may include a bottom plate and a side wall. The first magnetic unit may be connected to the bottom plate of the second magnetically conductive unit.

In some embodiments, the eyeglasses may further include at least one electrically conductive unit. The electrically conductive unit may be connected to at least one unit of the first magnetic unit, the first magnetically conductive unit, or the second magnetically conductive unit.

In some embodiments, the core housing may further include a contact surface in direct or indirect contact with a user. A pressure between the contact surface and the user may be greater than 0.1 N. Alternatively, the pressure between the contact surface and the user may be smaller than 5 N.

In some embodiments, a frequency response curve of the eyeglasses may be a superposition of a frequency response curve of each point on the contact surface.

BRIEF DESCRIPTION OF THE DRAWINGS

The present disclosure is further described in terms of exemplary embodiments. These exemplary embodiments are described in detail with reference to the drawings. These embodiments are non-limiting exemplary embodiments, in which like reference numerals represent similar structures, and wherein:

FIG. 1 is a block diagram illustrating a structure of a speaker according to some embodiments of the present disclosure;

FIG. 2 is a schematic diagram illustrating a structure of a flexible printed circuit according to some embodiments of the present disclosure;

FIG. 3 is an exploded diagram illustrating a partial structure of a speaker according to some embodiments of the present disclosure;

FIG. 4 is a partial sectional view illustrating a structure of a speaker according to some embodiments of the present disclosure;

FIG. 5 is a partial sectional diagram illustrating a speaker according to some embodiments of the present disclosure;

FIG. 6 is a partial enlarged diagram illustrating part F of a speaker in FIG. 5 according to some embodiments of the present disclosure;

FIG. 7 is an exploded view illustrating a speaker according to some embodiments of the present disclosure;

FIG. 8 is a schematic diagram illustrating a structure of a nose pad cover in a speaker according to some embodiments of the present disclosure;

FIG. 9 is a partial sectional view illustrating an eyeglass rim and a spectacle lens in a speaker according to some embodiments of the present disclosure;

FIG. 10 is an enlarged view illustrating part A of a speaker in FIG. 9 according to some embodiments of the present disclosure;

FIG. 11 is a partial structural diagram illustrating a connection wire in a speaker according to some embodiments of the present disclosure;

FIG. 12 is a partial structural schematic diagram illustrating part B of a speaker in FIG. 7 according to some embodiments of the present disclosure;

FIG. 13 is an enlarged sectional view illustrating a partial structure of eyeglasses in a speaker according to some embodiments of the present disclosure;

FIG. 14 is a schematic structural diagram illustrating a rotating shaft component and a connection wire in a speaker according to some embodiments of the present disclosure;

FIG. 15 is a schematic structural diagram illustrating a first rotating shaft in a speaker according to some embodiments of the present disclosure;

FIG. 16 is a partial exploded view illustrating a speaker according to some embodiments of the present disclosure;

FIG. 17 is a schematic structural diagram illustrating an eyeglass rim and a spectacle lens in a speaker according to some embodiments of the present disclosure;

FIG. 18 is a schematic diagram illustrating a partial structure of an eyeglass temple in a speaker according to some embodiments of the present disclosure;

FIG. 19 is an equivalent model illustrating a vibration generation and transmission system of a loud speaking component according to some embodiments of the present disclosure;

FIG. 20 is a structural diagram illustrating a composite vibration device of a loud speaking component disposed according to an embodiment of the present disclosure;

FIG. 21 is a structural diagram illustrating a composite vibration device of a loud speaking component according to an embodiment of the present disclosure;

FIG. 22 is a frequency response curve illustrating a loud speaking component according to an embodiment of the present disclosure;

FIG. 23 is a structural diagram illustrating a composite vibration device of a loud speaking component according to some embodiments in the present disclosure;

FIG. 24 is a vibration response curve illustrating a loud speaking component according to some embodiments of the present disclosure;

FIG. 25 is a structural diagram illustrating a vibration component of a loud speaking component according to some embodiments of the present disclosure;

FIG. 26 is a vibration response curve illustrating a vibration component of a loud speaking component according to some embodiments of the present disclosure;

FIG. 27 is a vibration response curve illustrating a generating portion a loud speaking component according to some embodiments of the present disclosure;

FIG. 28A is a schematic diagram illustrating a structure of a loud speaking component according to some embodiments of the present disclosure;

FIG. 28B is a schematic diagram illustrating a structure of a loud speaking component according to some embodiments of the present disclosure;

FIG. 29 is a diagram illustrating an effect of suppressing leaked sound of a loud speaking component in FIGS. 28A and 28B according to some embodiments of the present disclosure;

FIG. 30 is a schematic diagram illustrating a structure of a bone conduction loud speaking component according to some embodiments of the present disclosure;

FIG. 31 is a longitudinal sectional view illustrating a magnetic circuit component 2100 according to some embodiments of the present disclosure;

FIG. 32 is a longitudinal sectional view illustrating a magnetic circuit component 2600 according to some embodiments of the present disclosure;

FIG. 33 is a longitudinal sectional view illustrating a magnetic circuit component 2700 according to some embodiments of the present disclosure;

FIG. 34 is a longitudinal sectional view illustrating a magnetic circuit component 2900 according to some embodiments of the present disclosure;

FIG. 35 is a longitudinal sectional view illustrating a magnetic circuit component 3000 according to some embodiments of the present disclosure;

FIG. 36 is a longitudinal sectional schematic diagram illustrating a magnetic circuit component 3100 according to some embodiments of the present disclosure;

FIG. 37 is a vibration response curve illustrating a bone conduction loud speaking component under different pressures between a contact surface and a user according to some embodiments of the present disclosure;

FIG. 38 is a vibration response curve illustrating a bone conduction loud speaking component under different pressures between a contact surface and a user according to some embodiments of the present disclosure; and

FIG. 39 is a schematic diagram illustrating transmitting a sound through air conduction according to some embodiments of the present disclosure.

DETAILED DESCRIPTION

In the following detailed description, numerous specific details are set forth by way of examples in order to provide a thorough understanding of the relevant disclosure. Obviously, drawings described below are only some examples or embodiments of the present disclosure. Those skilled in the art, without further creative efforts, may apply the present disclosure to other similar scenarios according to these drawings. It should be understood that the purposes of these illustrated embodiments are only provided to those skilled in the art to practice the application, and not intended to limit the scope of the present disclosure. Unless obviously obtained from the context or the context illustrates otherwise, the same numeral in the drawings refers to the same structure or operation.

As used in the disclosure and the appended claims, the singular forms “a,” “an,” and “the” may include plural referents unless the content clearly dictates otherwise. In general, the terms “comprise” and “include” merely prompt to include steps and elements that have been clearly identified, and these steps and elements do not constitute an exclusive listing. The methods or devices may also include other steps or elements. The term “based on” is “based at least in part on.” The term “one embodiment” means “at least one embodiment,” the term “another embodiment” means “at least one other embodiment.” Related definitions of other terms will be given in the description below. In the following, without loss of generality, the “eyeglasses” or “sunglasses” described in the present disclosure means “eyeglasses” or “sunglasses” with a loudspeaker component. For those skilled in the art, “eyeglasses” or “sunglasses” may also be replaced with other similar words, such as “eye protection device,” “eye wearable device,” or the like. “Loud speaking device” may also be replaced with other similar words, such as “loud speaker device,” “hearing aid,” “player,” “playing device,” or the like. For those skilled in the art, after understanding the basic principles of eyeglasses, it may be possible to make various modifications and changes in the form and details of the specific methods and operations of implementing eyeglasses without departing from the principles. In particular, an environmental sound collection and processing function may be added to the eyeglasses to enable the eyeglasses to implement the function of a hearing aid. For example, a microphone may collect environmental sounds of a user/wearer, process the sounds using a certain algorithm and transmit the processed sound (or generated electrical signal) to a loud speaking component of eyeglasses. That is, the eyeglasses may be modified to include the function of collecting the environmental sounds, and after a certain signal processing, the sound may be transmitted to the user/wearer via the loud speaking component, thereby implementing the function of the hearing aid. As an example, the algorithm mentioned herein may include noise cancellation, automatic gain control, acoustic feedback suppression, wide dynamic range compression, active environment recognition, active noise reduction, directional processing, tinnitus processing, multi-channel wide dynamic range compression, active howling suppression, volume control, or the like, or any combination thereof.

FIG. 1 is a block diagram illustrating a structure of a speaker according to some embodiments of the present disclosure.

A speaker 100 may include at least an earphone core 102, an auxiliary function module 104, and a flexible circuit board 106.

In some embodiments, the earphone core 102 may receive electrical audio signal(s) and convert the audio signal(s) into the sound signal(s). The flexible circuit board 106 may facilitate electrical connection(s) between different modules/components. For example, the flexible circuit board 106 may facilitate an electrical connection between the earphone core 102 and an external control circuit and an electrical connection between the earphone core 102 and the auxiliary function module 104.

In some embodiments, the earphone core 102 may include at least a magnetic circuit component, a vibration component, and a bracket that accommodates the magnetic circuit component and the vibration component. The magnetic circuit component may be used to provide a magnetic field. The vibration component may be used to convert an electrical signal input to the vibration component into a mechanical vibration signal so as to generate a sound. In some embodiments, the vibration component may include at least a coil and an inner lead. In some embodiments, the earphone core 102 may also include an external wire. The external wire may be capable of transmitting an audio current to the coil in the vibration component. One end of the external wire may be connected to the inner lead of the earphone core, and the other end may be connected to the flexible circuit board of the speaker. In some embodiments, the bracket may have a wiring groove. The external wire and/or the inner lead may be partially disposed of the wiring groove described in detail in other parts of the present disclosure.

In some embodiments, the auxiliary function module 104 may be used to receive auxiliary signal(s) and perform auxiliary function(s). The auxiliary function module 104 may be a module different from the earphone core and may be used for receiving the auxiliary signal(s) and performing the auxiliary function(s). In the present disclosure, the conversion of the audio signal into the sound signal may be considered as a main function of the speaker 100, and other functions different from the main function may be considered as the auxiliary function(s) of the speaker 100. For example, the auxiliary function(s) of the speaker 100 may include receiving a user sound and/or an ambient sound through a microphone, controlling a broadcasting process of the sound signal through a key, or the like, and a corresponding auxiliary function module may include a microphone, a key switch, etc., which may be set according to actual needs. The auxiliary signal(s) may be electric signal(s) related to the auxiliary function(s), optical signal(s) related to the auxiliary function(s), acoustic signal(s) related to the auxiliary function(s), vibration signal(s) related to the auxiliary function(s), or the like, or any combination thereof.

The speaker 100 may further include a core housing 108 for accommodating the earphone core 102, the auxiliary function module 104, and the flexible circuit board 106. When the speaker 100 is a bone conduction earphone, an inner wall of the core housing 108 may be directly or indirectly connected to the vibration component in the earphone core. When the user wears the bone conduction earphone, an outer wall of the core housing 108 may be in contact with the user and transmit the mechanical vibration of the vibration component to an auditory nerve through a bone, so that the human body may hear the sound. In some embodiments, the speaker may include the earphone core 102, the auxiliary function module 104, the flexible circuit board 106, and the core housing 108.

In some embodiments, the flexible circuit board 106 may be a flexible printed circuit board (FPC) accommodated in the inner space of the core housing 108. The flexible circuit board 106 may have high flexibility and be adapted to the inner space of the core housing 108. Specifically, in some embodiments, the flexible circuit board 106 may include a first board and a second board. The flexible circuit board 106 may be bent at the first board and the second board so as to adapt to a position of the flexible circuit board in the core housing 108, or the like. More details may refer to descriptions in other parts of the present disclosure.

In some embodiments, the speaker 100 may transmit the sound through a bone conduction approach. An outer surface of the core housing 108 may have a fitting surface. The fitting surface may be an outer surface of the speaker 100 in contact with the human body when the user wears the speaker 100. The speaker 100 may compress the fitting surface against a preset area (e.g., a front end of a tragus, a position of a skull, or a back surface of an auricle), thereby effectively transmitting the vibration signal(s) to the auditory nerve of the user through the bone and improving the sound quality of the speaker 100. In some embodiments, the fitting surface may be abutted on the back surface of the auricle. The mechanical vibration signal(s) may be transmitted from the earphone core to the core housing and transmitted to the back of the auricle through the fitting surface of the core housing. The vibration signal(s) may then be transmitted to the auditory nerve by the bone near the back of the auricle. In this case, the bone near the back of the auricle may be closer to the auditory nerve, which may have a better conduction effect and improve the efficiency of transmitting the sound to the auditory nerve by the speaker 100.

In some embodiments, the speaker 100 may further include a fixing mechanism 110. The fixing mechanism 110 may be externally connected to the core housing 108 and used to support and maintain the position of the core housing 108. In some embodiments, a battery assembly and a control circuit may be disposed in the fixing mechanism 110. The battery assembly may provide electric energy to any electronic component in the speaker 100. The control circuit may control any function component in the speaker 100. The function component may include, but be not limited to, the earphone core, the auxiliary function module, or the like. The control circuit may be connected to the battery and other functional components through the flexible circuit board or the wire.

In some embodiments, the fixing mechanism 110 may be an eyeglass rim, a hat, a headgear, other headwear accessories, or the like, or any combination thereof. For example, the fixing mechanism 110 may be an eyeglass rim. A cavity may be formed inside the eyeglass rim. The cavity may accommodate the battery assembly, the flexible circuit board, and the control circuit. In this case, the earphone core 102 may be located at the end of the eyeglass temple, which may be located near the ear and provide the sound signal(s) when the user wears the eyeglasses.

FIG. 2 is a schematic diagram illustrating a structure of a flexible circuit board located inside a core housing according to some embodiments of the present disclosure.

In some embodiments, the flexible circuit board may be disposed with a number of pads. Different signal wires (e.g., audio signal wires, auxiliary signal wires) may be electrically connected to different pads through different flexible leads to avoid numerous and complicated internal wires issues, which may occur when both audio signal wires and auxiliary signal wires need to be connected to the earphone core or the auxiliary function module. FIG. 3 is an exploded diagram illustrating a partial structure of a speaker according to some embodiments of the present disclosure. As shown in FIGS. 2 and 3 , a flexible circuit board 44 may at least include a number of first pads 45 and a number of second pads (not shown in the figures). In some embodiments, the flexible circuit board 44 in FIG. 2 may correspond to the flexible circuit board 106 in FIG. 1 . At least one of the first pads 45 may be electrically connected to auxiliary function module(s). The at least one of the first pads 45 may be electrically connected to at least one of the second pads through a first flexible lead 47 on the flexible circuit board 44. The at least one of the second pads may be electrically connected to an earphone core (not shown in the figures) through external wire(s) (not shown in the figures). At least another one of the first pads 45 may be electrically connected to auxiliary signal wire(s). The at least another one of first pads 45 and the auxiliary function module(s) may be electrically connected through a second flexible lead 49 on the flexible circuit board 44. In the embodiment, the at least one of the first pads 45 may be electrically connected to the auxiliary function module(s). The at least one of the second pads may be electrically connected to the earphone core through the external wire(s). The one of the at least one of the first pads 45 may be electrically connected to one of the at least one of the second pads through the first flexible lead 47, so that the external audio signal wire(s) and the auxiliary signal wire(s) may be electrically connected to the earphone core and the auxiliary function modules at the same time through the flexible circuit board, which may simplify a layout of the wiring.

In some embodiments, the audio signal wire(s) may be wire(s) electrically connected to the earphone core and transmitting audio signal(s) to the earphone core. The auxiliary signal wire(s) may be wire(s) electrically connected to the auxiliary function modules and performing signal transmission with the auxiliary function modules.

In some embodiments, referring to FIG. 2 , specifically, the flexible circuit board 44 may be disposed with the number of pads 45 and two pads (not shown in the figure). The two pads and the number of pads 45 may be located on the same side of the flexible circuit board 44 and spaced apart. The two pads may be connected to two corresponding pads 45 of the number of pads 45 through the flexible lead(s) 47 on the flexible circuit board 44. Further, a core housing 41 may also accommodate two external wires. One end of each of the external wires may be welded to the corresponding pad, and the other end may be connected to the earphone core, so that the earphone core may be connected to the pads through the external wires. The auxiliary function modules may be mounted on the flexible circuit board 44 and connected to other pads of the number of pads 45 through the flexible lead(s) 49 on the flexible circuit board 44.

In some embodiments, wires may be disposed in the fixing mechanism 110 of the speaker 100. The wires may at least include the audio signal wire(s) and the auxiliary signal wire(s). In some embodiments, there may be multiple wires in the fixing mechanism 110. Such wires may include at least two audio signal wires and at least two auxiliary signal wires. For example, the fixing mechanism 110 may be an eyeglass rim. The eyeglass rim may be connected to the core housing 41, and the wires may be wires disposed in the eyeglass rim. One end of each of the wires in the eyeglass rim may be welded to a control circuit board, and the other end of the wire may enter the core housing 41 and be welded to the pad 45 on the flexible circuit board 44.

As used herein, one end of each of the two audio signal wires of the wires in the eyeglass rim, which may be located in the core housing 41, may be welded to the two pads 45 by two flexible leads 47, and the other end may be directly or indirectly connected to the control circuit board. The two pads 45 may be further connected to the earphone core through the welding of the flexible lead(s) 49 and the two pad 46 and the welding of the two external wires and the pads, thereby transmitting the audio signal(s) to the earphone core.

One end of each of at least two auxiliary signal wires in the core housing 41 may be welded to the pad 45 by the flexible lead(s) 49, and the other end may be directly or indirectly connected to the control circuit board so as to pass the auxiliary signal(s) received and transformed by the auxiliary function module(s) to the control circuit (not shown in the figure).

In the approach described above, the flexible circuit board 44 may be disposed in the core housing 41, and the corresponding pads may be further disposed on the flexible circuit board 44. Therefore, the wires (not shown in the figure) may enter the core housing 41 and be welded to the corresponding pads, and further connected to the corresponding auxiliary function module(s) through the flexible leads 47 and the flexible leads 49 on the pads, thereby avoiding a number of wires directly connected to the auxiliary function module(s) to make the wiring in the core housing 41 complicated. Therefore, the arrangement of the wirings may be optimized, and the space occupied by the core housing 41 may be saved. In addition, when a number of the rim wires are directly connected to the auxiliary function module(s), a middle portion of the rim wires may be suspended in the core housing 41 to easily cause vibration, thereby resulting in abnormal sounds to affect the sound quality of the earphone core. According to the approach, the wires in the eyeglass rim may be welded to the flexible circuit board 44 and further connected to the corresponding auxiliary function module(s), which may reduce a situation that the wires are suspended from effecting the quality of the earphone core, thereby improving the sound quality of the earphone core to a certain extent.

In some embodiments, the flexible circuit board (also referred to as the flexible circuit board 44) may be further divided. The flexible circuit board may be divided into at least two regions. One auxiliary function module may be disposed on one of the at least two regions, so that at least two auxiliary function modules may be disposed on the flexible circuit board. Wiring between the audio signal wire(s) and the auxiliary signal wire(s) and the at least two auxiliary function modules may be implemented through the flexible circuit board. In some embodiments, the flexible circuit board may include at least a main circuit board and a first branch circuit board. The first branch circuit board may be connected to the main circuit board and extend away from the main circuit board along one end of the main circuit board. The auxiliary function module(s) may include at least a first auxiliary function module and a second auxiliary function module. The first auxiliary function module may be disposed on the main circuit board, and the second auxiliary function module may be disposed on the first branch circuit board. The number of first pads may be disposed on the main circuit board, and the second pads may be disposed on the first branch circuit board. In some embodiments, the first auxiliary function module may be a key switch. The key switch may be disposed on the main circuit board, and the first pads may be disposed corresponding to the key switch. The second auxiliary function module may be a microphone. The microphone may be disposed on the first branch circuit board, and the second pads corresponding to the microphone may be disposed on the first branch circuit board. The first pads corresponding to the key switch on the main circuit board may be connected to the second pads corresponding to the microphone on the first branch circuit board through the second flexible lead(s). The key switch may be electrically connected to the microphone, so that the key switch may control or operate the microphone.

In some embodiments, the flexible circuit board may further include a second branch circuit board. The second branch circuit board may be connected to the main circuit board. The second branch circuit board may extend away from the main circuit board along the other end of the main circuit board and be spaced from the first branch circuit board. The auxiliary function module(s) may further include a third auxiliary function module. The third auxiliary function module may be disposed on the second branch circuit board. The number of first pads may be disposed on the main circuit board. At least one of the second pads may be disposed on the first branch circuit board, and the other second pads may be disposed on the second branch circuit. In some embodiments, the third auxiliary function module may be a second microphone. The second branch circuit board may extend perpendicular to the main circuit board. The second microphone may be mounted on the end of the second branch circuit board away from the main circuit board. The number of pads may be disposed at the end of the main circuit board away from the second branch circuit board.

Specifically, as shown in FIG. 2 and FIG. 3 , the second auxiliary function module may be the first microphone 432 a. The third auxiliary function module may be the second microphone 432 b. As used herein, the first microphone 432 a and the second microphone 432 b may both be MEMS (micro-electromechanical system) microphone 432, which may have a small working current, relatively stable performance, and high voice quality. The two microphones 432 may be disposed at different positions of the flexible circuit board 44 according to actual needs.

As used herein, the flexible circuit board 44 may include a main circuit board 441 (or referred to the main circuit board), and a branch circuit board 442 (or referred to the first branch circuit board) and a branch circuit board 443 (or referred to the second branch circuit board) connected to the main circuit board 441. The branch circuit board 442 may extend in the same direction as the main circuit board 441. The first microphone 432 a may be mounted on one end of the branch circuit board 442 away from the main circuit board 441. The branch circuit board 443 may extend perpendicular to the main circuit board 441. The second microphone 432 b may be mounted on one end of the branch circuit board 443 away from the main circuit board 441. A number of pads 45 may be disposed on the end of the main circuit board 441 away from the branch circuit board 442 and the branch circuit board 443.

In one embodiment, the core housing 41 may include a peripheral side wall 411 and a bottom end wall 412 connected to one end surface of the peripheral side wall 411, so as to form an accommodation space with an open end. As used herein, an earphone core may be disposed in the accommodation space through the open end. The first microphone 432 a may be fixed on the bottom end wall 412. The second microphone 432 b may be fixed on the peripheral side wall 411.

In the embodiment, the branch circuit board 442 and/or the branch circuit board 443 may be appropriately bent to suit a position of a sound inlet corresponding to the microphone 432 on the core housing 41. Specifically, the flexible circuit board 44 may be disposed in the core housing 41 in a manner that the main circuit board 441 is parallel to the bottom end wall 412. Therefore, the first microphone 432 a may correspond to the bottom end wall 412 without bending the main circuit board 441. Since the second microphone 432 b may be fixed on the peripheral side wall 411 of the core housing 41, it may be necessary to bend the second main circuit board 441. Specifically, the branch circuit board 443 may be bent at one end away from the main circuit board 441 so that a board surface of the branch circuit board 443 may be perpendicular to a board surface of the main circuit board 441 and the branch circuit board 442. Further, the second microphone 432 b may be fixed at the peripheral side wall 411 of the core housing 41 in a direction facing away from the main circuit board 441 and the branch circuit board 442.

In one embodiment, the first pads 45, the second pads, the first microphone 432 a, and the second microphone 432 b may be disposed on the same side of the flexible circuit board 44. The second pads may be disposed adjacent to the second microphone 432 b.

As used herein, the second pads may be specifically disposed at one end of the branch circuit board 443 away from the main circuit board 441 and have the same direction as the second microphone 432 b and disposed at intervals. Therefore, the second pads may be perpendicular to the direction of the first pads 45 as the branch circuit board 443 is bent. It should be noted that the branch circuit board 443 may not be perpendicular to the board surface of the main circuit board 441 after being bent, which may be determined according to the arrangement between the side wall 411 and the bottom end wall 412.

Further, another side of the flexible circuit board 44 may be disposed with a rigid support plate 4 a and a microphone rigid support plate 4 b for supporting the first pads 45. The microphone rigid support plate 4 b may include a rigid support plate 4 b 1 for supporting the first microphone 432 a and a rigid support plate 4 b 2 for supporting the second pads and the second microphone 432 b together.

As used herein, the rigid support plate 4 a, the rigid support plate 4 b 1, and the rigid support plate 4 b 2 may be mainly used to support the corresponding pads and the microphone 432, and thus may need to have certain strengths. The materials of the three may be the same or different. The specific material may be polyimide (PI), or other materials that may provide the strengths, such as polycarbonate, polyvinyl chloride, etc. In addition, the thicknesses of the three rigid support plates may be set according to the strengths of the rigid support plates, and actual strengths required by the first pads 45, the second pads, the first microphone 432 a, and the second microphone 432 b, and be not specifically limited herein.

As used herein, the rigid support plate 4 a, the rigid support plate 4 b 1, and the rigid support plate 4 b 2 may be three different regions of an entire rigid support plate, or three independent bodies spaced apart from each other, and be not specifically limited herein.

In one embodiment, the first microphone 432 a and the second microphone 432 b may correspond to two microphone components 4 c, respectively (not shown in the figure). In one embodiment, the structures of the two microphone components may be the same. A sound inlet 413 may be disposed on the core housing 41. Further, the loud speaking device may be further disposed with an annular blocking wall 414 integrally formed on the inner surface of the core housing 41 at the core housing 41, and disposed at the periphery of the sound inlet 413, thereby defining an accommodation space (not shown in the figure) connected to the sound inlet 413.

In one embodiment, the flexible circuit board 44 may be disposed between a rigid support plate (e.g., the rigid support plate 4 a, the rigid support plate 4 b 1, and the rigid support plate 4 b 2) and the microphone 432. A sound input 444 may be disposed at a position corresponding to a sound input 4 b 3 of the microphone rigid support plate 4 b.

Further, the flexible circuit board 44 may further extend away from the microphone 432, so as to be connected to other functional components or wires to implement corresponding functions. Correspondingly, the microphone rigid support plate 4 b may also extend out a distance with the flexible circuit board in a direction away from the microphone 432.

Correspondingly, the annular blocking wall 414 may be disposed with a gap matching the shape of the flexible circuit board to allow the flexible circuit board to extend out of the accommodation space 415. In addition, the gap may be further filled with a sealant to further improve the sealing.

FIG. 4 is a partial sectional view illustrating a structure of a speaker according to some embodiments of the present disclosure. In some embodiments, as shown in FIG. 4 , the flexible circuit board 44 may include a main circuit board 445 and a branch circuit board 446. The branch circuit board 446 may extend along an extending direction perpendicular to the main circuit board 445. As used herein, the number of first pads 45 may be disposed at the end of the main circuit board 445 away from the branch circuit board 446. A key switch may be mounted on the main circuit board 445. The second pads 46 may be disposed at the end of the branch circuit boards 446 away from the main circuit board 445. The first auxiliary function module may be a key switch 431. The second auxiliary function module may be a microphone 432.

In the embodiment, a board surface of the flexible circuit board 44 and the bottom end wall 412 may be disposed in parallel and at intervals, so that the key switch may be disposed towards the bottom end wall 412 of the core housing 41.

As described above, an earphone core (or the earphone core 102) may include a magnetic circuit component, a vibration component, an external wire, and a bracket. As used herein, the vibration component may include a coil and an inner lead. The external wire may transmit an audio current to the coil in the vibration component. One end of the external wire may be connected to the inner lead of the earphone core, and the other end may be connected to the flexible circuit board of a speaker. The bracket may have a wiring groove. At least a portion of the external wire and/or the inner lead may be disposed in the wiring groove. In some embodiments, the inner lead and the outer wire may be welded to each other. A welding position may be located in the wiring groove.

FIG. 5 is a partial sectional diagram illustrating a speaker according to some embodiments of the present disclosure. FIG. 6 is a partial enlarged diagram illustrating part F of a speaker in FIG. 5 according to some embodiments of the present disclosure. Specifically, referring to FIG. 5 and FIG. 6 , an earphone core may include a bracket 421, a coil 422, and an external wire 48. The bracket 421 may be used to support and protect the entire structure of the earphone core. In the embodiment, the bracket 421 may be disposed with a wiring groove 4211 used to accommodate a circuit of the earphone core.

The coil 422 may be disposed on the bracket 421 and have at least one inner lead 423. One end of the inner lead(s) 423 may be connected to a main circuit in the coil 422 to lead out the main circuit and transmit an audio current to the coil 422 through the inner lead 423.

One end of the external wire 48 may be connected to the inner lead(s) 423. Further, the other end of the external wire 48 may be connected to a control circuit (not shown in the figure) to transmit the audio current through the control circuit to the coil 422 through the inner lead 423.

Specifically, during an assembly stage, the external wire 48 and the inner lead(s) 423 may need to be connected together by means of welding, or the like. Due to structural and other factors, after the welding is completed, a length of the wire may not be exactly the same as a length of a channel, and there may be an excess length part of the wire. And if the excess length part of the wire is not disposed reasonably, it may vibrate with the vibration of the coil 422, thereby making an abnormal sound and affecting the sound quality of the earphone core.

Further, at least one of the external wire 48 and the inner lead 423 may be wound and disposed in the wiring groove 4211. In an application scenario, the welding position between the inner lead 423 and the external wire 48 may be disposed in the wiring groove 4211, so that a portion of the external wire 48 and the inner lead 423 located near the welding position may be wound in the wiring groove 4211. In addition, in order to maintain stability, the wiring groove 4211 may be further filled with a sealant to further fix the wiring in the wiring groove 4211.

In the manner described above, the wiring groove 4211 may be disposed on the bracket 421, so that at least one of the external wire 48 and the inner lead 423 may be wound into the wiring groove 4211 to accommodate the excess length part of the wire, thereby reducing the vibration generated inside the channel, and reducing the influence of the abnormal sound caused by the vibration on the sound quality of the earphone core.

In one embodiment, the bracket 421 may include an annular main body 4212, a support flange 4213, and an outer blocking wall 4214. As used herein, the annular main body 4212, the support flange 4213, and the outer blocking wall 4214 may be integrally formed.

As used herein, the annular main body 4212 may be disposed inside the entire bracket 421 and used to support the coil 422. Specifically, a cross-section of the annular main body 4212 in a direction perpendicular to the radial direction of a ring of the annular main body 4212 may be consistent with the coil 422. The coil 422 may be disposed at an end of the annular main body 4212 facing the core housing. The inner side wall and the outer side wall of the annular main body 4212 may be flush with the inner side wall and the outer side wall of the coil 422, respectively, so that the inner side wall of the coil 422 and the inner side wall of the annular main body 4212 may be coplanar, and the outer side wall of the coil 422 and the outer side wall of the annular main body 4212 may be coplanar.

Further, the support flange 4213 may protrude on the outer side wall of the annular main body 4212 and extend along the outside of the annular main body 4212. Specifically, the support flange 4213 may extend outward in a direction perpendicular to the outer side wall of the annular main body 4212. As used herein, the support flange 4213 may be disposed at a position between two ends of the annular main body 4212. In the embodiment, the support flange 4213 may protrude around the outer side wall of the annular main body 4212 to form an annular support flange 4213. In other embodiments, the support flange 4213 may also be formed by protruding at a portion of the outer side wall of the annular main body 4212 according to needs.

The outer blocking wall 4214 may be connected to the support flange 4213 and spaced apart from the annular main body 4212 along the side of the annular main body 4212. As used herein, the outer blocking wall 4214 may be sleeved on the periphery of the annular main body 4212 and/or the coil 422 at intervals. Specifically, the outer blocking wall 4214 may be partially sleeved around the periphery of the annular main body 4212 and the coil 422 according to actual needs, or partially sleeved around the periphery of the annular main body 4212. It should be noted that, in the embodiment, a portion of the outer blocking wall 4214 close to the wiring groove 4211 may be sleeved on a portion of the periphery of the annular main body 4212. Specifically, the outer blocking wall 4214 may be disposed on a side of the support flange 4213 away from the core housing. As used herein, the outer side wall of the annular main body 4212, the side wall of the support flange 4213 away from the core housing, and the inner side wall of the outer blocking wall 4214 may together define the wiring groove 4211.

In one embodiment, a wiring channel 424 may be disposed on the annular main body 4212 and the support flange 4213. The inner lead(s) 423 may extend inside the wiring groove 4211 via the wiring channel 424.

As used herein, the wiring channel 424 may include a sub-wiring channel 4241 on the annular main body 4212 and a sub-wiring channel 4242 on the support flange 4213. The sub-wiring channel 4241 may be disposed through the inner side wall and the outer side wall of the annular main body 4212. A wiring port 42411 communicating with one end of the sub-wiring channel 4241 may be disposed on a side of the annular main body 4212 near the coil 422. A wiring port 42412 communicating with the other end of the sub-wiring channel 4241 may be disposed on a side of the core housing near the support flange 4213 facing the core housing. The sub-wiring channel 4242 may penetrate the support flange 4213 in a direction towards the outside of the core housing. The wiring port 42421 communicating with the end of the sub-wiring channel 4242 may be disposed on a side of the support flange 4213 facing the core housing. The wiring port 42422 communicating with the other end of the sub-wiring channel 4242 may be disposed on a side away from the core housing. As used herein, the wiring port 42412 and the wiring port 42421 may communicate through a space between the support flange 4213 and the annular main body 4212.

Further, the inner lead(s) 423 may enter the wiring port 42411, extend along the sub-wiring channel 4241, exit from the wiring port 42412 to enter a region between the annular main body 4212 and the support flange 4213, further enter the sub-wiring channel 4242 from the wiring port 42421, and extend into the wiring groove 4211 after passing through the wiring port 42422.

In one embodiment, the top of the outer blocking wall 4214 may be disposed with a slot 42141. The external wire 48 may extend inside the wiring groove 4211 through the slot 42141.

As used herein, one end of the external wire 48 may be disposed on the flexible circuit board 44. The flexible circuit board 44 may be specifically disposed on an inner side of the earphone core facing the core housing.

In the embodiment, the support flange 4213 may be further extended to a side of the outer blocking wall 4214 away from the annular main body 4212 to form an outer edge. Further, the outer edge may surround and abut on the inner side wall of the core housing. Specifically, the outer edge of the support flange 4213 may be disposed with a slot 42131, so that the external wire 48 on the inner side of the earphone core facing the core housing may be extended to the outer side of the support flange 4213 facing the core housing through the slot 42131, and then to the slot 42141, and enter the wiring groove 4211 through the slot 42141.

Further, the inner side wall of the core housing may be disposed with a guide groove 416. One end of the guide groove 41 may be located on one side of the flexible circuit board 44 and the other end may communicate with the slot 42131 and extend in a direction towards the outside of the core housing, so that the external wire 48 extends from the flexible circuit board to a second wiring groove 3331 by passing through the guide slot 416.

In one embodiment, the bracket 421 may further include two side blocking walls 4215 spaced along the circumferential direction of the annular main body 4212 and connected to the annular main body 4212, the supporting flange 4213, and the outer blocking wall 4214, thereby defining the wiring groove 4211 between the two side blocking walls 4215.

Specifically, the two side blocking walls 4215 may be oppositely disposed on the support flange 4213 and protrude towards the outer side of the core housing along the support flange 4213. As used herein, a side of the two side blocking walls 4215 facing the annular main body 4212 may be connected to the outer side wall of the annular main body 4212. A side away from the annular main body 4212 may terminate at the outer side wall of the outer blocking wall 4214. The wiring port 42422 and the slot 42141 may be defined between the two side blocking walls 4215. Therefore, the inner lead(s) 423 exiting from the wiring port 42422 and the outer wire 48 entering through the slot 42141 may extend into the wiring groove 4211 defined by the two side blocking walls 4215.

FIG. 7 is a schematic diagram illustrating a structure of a speaker according to some embodiments of the present disclosure.

In some embodiments, the speaker may be eyeglasses. In some embodiments, a fixing mechanism may be an eyeglass frame. The fixing mechanism may have at least one rotating shaft. The rotating shaft(s) may be used to connect an eyeglass rim and an eyeglass temple. The eyeglass rim and the eyeglass temple may rotate around the rotating shaft. The rotating shaft may have a rotating shaft wiring channel disposed along an axis. A connection wire may be disposed in the fixing mechanism. The connection wire may be an electrical connection wire. The connection wire may pass through the rotating shaft wiring channel. Two ends of the connection wire may extend into the eyeglass rim and the eyeglass temple, respectively. In some embodiments, the eyeglass temple at two sides may accommodate a control circuit and a battery component, respectively. The connection wire in the eyeglass rim may be electrically connect to the control circuit and the battery component. The connection wire may include an audio signal wire and an auxiliary signal wire. The connection wire may be electrically connected to a flexible circuit board (i.e., the flexible circuit board 106) in a core housing (i.e., the core housing 108), and electrically connected to an earphone core (i.e., the earphone core 102) and auxiliary function module(s) (i.e., an auxiliary function module 104) through the flexible circuit board.

In some embodiments, the eyeglasses of the present disclosure may be eyeglasses worn in people's daily life and at work to correct vision and protect eyes, or certain circuit structures and electronic components may be added into the eyeglasses in order to further implement specific functions through the circuit structures and electronic components. Specifically, the eyeglasses in the present disclosure may be smart eyeglasses, virtual reality eyeglasses, holographic eyeglasses, augmented reality eyeglasses, or eyeglasses with other functional structures (e.g., eyeglasses with a bone conduction earphone or an air conduction earphone).

In some embodiments, as shown in FIG. 7 , the eyeglass frame may include an eyeglass rim 11, a nose pad 12, a spectacle lens 13, and an eyeglass temple 15.

As used herein, the eyeglass rim 11 may be used to carry at least a portion of the spectacle lens 13. The nose pad 12 may be used to support the eyeglasses on the bridge of the nose of a user when the user wears the eyeglasses.

The nose pad 12 may be disposed in the middle of the eyeglass rim 11 and integrally formed with the eyeglass rim 11. In the prior art, the eyeglass rim 11 and the nose pad 12 may be usually formed, respectively. The middle portion of the eyeglass rim 11 may be disposed with a structure connected to the nose pad 12. After molding, the nose pad 12 may be installed on the connection structure of the eyeglass rim 11. In the embodiment, the eyeglass rim 11 and the nose pad 12 may be integrally formed directly. Specifically, a corresponding mold may be used to implement the integral molding, for example, injection molding, or the like. In the embodiment, the eyeglass rim 11 and the nose pad 12 may not need to be further installed after the molding, thereby simplifying a manufacturing process of eyeglasses.

In addition, the spectacle lens 13 may also be integrally designed, and be fixed by the eyeglass rim 11 and the nose pad 12 in a clamping manner.

Further, the eyeglass rim 11 and the nose pad 12 may be respectively disposed with a structure for clamping the spectacle lens 13. When the eyeglasses are assembled, the integrally designed spectacle lens 13 may be directly clamped to the integrally formed eyeglass rim 11 and nose pad 12 through the corresponding clamping structures.

In the embodiment, the eyeglass rim 11 and the nose pad 12 may be integrally formed, and the spectacle lens 13 may also be integrally designed. Therefore, the entire structure of the eyeglasses may be simple, and the manufacturing process of the eyeglasses may be simplified.

Referring to FIG. 7 , FIG. 7 is an exploded view illustrating the eyeglasses according to an embodiment of the present disclosure. In the embodiment, the spectacle lens 13 may include a top-side edge 131 and two outer edges 132 connected to both ends of the top-side edge 131 and disposed away from the nose pad 12. Each of the outer edges 132 may be respectively disposed with a first buckle 1321. The eyeglass rim 11 may be disposed with a first mounting groove 111 for receiving the top-side edge 131 and at least a portion of the outer edges 132, and a first buckle groove 112 for receiving the first buckle 1321 and communicating with the first mounting groove 111.

As used herein, when the eyeglasses are in a wearing state, the top-side edge 131 may be located on the upper side of the spectacle lens 13, the outer edge may be located on both sides of the spectacle lens 13 near ears of the user, and the top-side edge 131 and the two outer edges 132 may be connected to each other. The first mounting groove 111 may be disposed on a side of the eyeglass rim 11 facing the spectacle lens 13. A size of the first mounting groove 111 may match the top-side edge 131 and the two outer edges 132 of the corresponding spectacle lens 13, so that the spectacle lens 13 may be mounted on the eyeglass rim 11 by mounting the top-side edge 131 and at least the portion of the outer edge 132 in the first mounting groove 111.

Further, the first buckle 1321 may be formed by further extending at least a portion of the outer edge 131 of the spectacle lens 13 toward two sides away from the nose pad 12. The first buckle groove 112 may be formed by recessing a position of the first mounting groove 111 corresponding to the first buckling 1321 in a direction away from the spectacle lens 13. As used herein, the shape and size of the first buckle groove 112 may match the first buckle 1321, so that the spectacle lens 13 may be further installed on the eyeglass rim 11 by clamping the first buckle 1321 into the first buckle groove 112.

It should be noted that at least a portion of the outer edge 132 may be located on the side of the first buckle 1321 away from the top-side edge 131, so that the first buckle 1321 and a portion of the spectacle lens 13 near the two sides of the edge of the spectacle lens 13 may be accommodated inside the first mounting groove 111. Therefore, the spectacle lens 13 may be more firmly fixed on the eyeglass rim 11.

In one embodiment, the spectacle lens 13 may further include an inner edge 133 abutting on the nose pad 12. The nose pad 12 may be disposed with a second mounting groove 121 for receiving the inner edge 133.

It should be noted that the spectacle lens 13 may include a left spectacle lens and a right spectacle lens. The inner edge 133 of the spectacle lens 13 may be disposed at a connection between the left spectacle lens and the right spectacle lens and a vicinity of the connection. Accordingly, the second mounting groove 121 and the first mounting groove 111 may be oppositely disposed so that the opposite sides of the spectacle lens 13 may be respectively received and fixed in an accommodation space formed by the eyeglass rim 11 and the nose pad 12.

In one embodiment, two sides of the inner edge 133 may be respectively disposed with a second buckle 1331. The nose pad 12 may be further disposed with a second buckle groove 122 connected to the second mounting groove 121 and used to receive the second buckle 1331.

As used herein, the inner edge 133 may include two portions connected to each other, which may be respectively disposed on a side of the left eyeglass lens facing the right eyeglass lens and a side of the right eyeglass lens facing the left eyeglass lens. The nose pad 12 may also be divided into two portions, which may be respectively supported on the left and right nose bridges of the user when worn by the user. Accordingly, in the embodiment, the count of the second buckle groove 122 and the second buckle 1331 may also be two. The shape and size of the second buckle 1331 may match the corresponding second buckle groove 122 to install the second buckle 1331 in the corresponding second buckle groove 122.

In addition, the spectacle lens 13 may be disposed with the inner edge 133 near both sides of the second buckle 1331, which may allow the vicinity of both sides of the second buckle 1331 to be installed in the second mounting groove 121. Therefore, the spectacle lens 13 may be more firmly fixed on the nose pad 12.

By the approach, the spectacle lens 13 may be respectively mounted on the eyeglass rim 11 and the nose pad 12 through the top-side edge 131, the outer edge 132, the inner edge 133, the first buckle 1321, and the second buckle 1331.

In an application scenario, the spectacle lens 13 may be further disposed with vent holes 134. Specifically, the count of the vent holes may be two, and respectively disposed on the left and right sides of the spectacle lenses 13 near the top-side edge 131. The arrangement of the vent holes 134 may facilitate air circulation of the inner and outer sides of the spectacle lens 13 when the user wears the eyeglasses, thereby reducing a phenomenon of fogging of the spectacle lens 13 caused by local overheating due to reasons such as user movement, etc.

Specifically, referring to FIG. 7 and FIG. 8 together, FIG. 7 is an exploded view illustrating a speaker according to some embodiments of the present disclosure, and FIG. 8 is a schematic diagram illustrating a structure of a nose pad cover of eyeglasses according to some embodiments of the present disclosure. In one embodiment, the nose pad 12 may include a connection portion 123 connected to the eyeglass rim 11 on the side of the first mounting groove 111 near the user or away from the user in the wearing state, and two support portions 124 connected to the connection portion 123 in an inverted Y-shaped manner on a side of the connection portion 123 away from the eyeglass rim 11. The support portions 124 may be used to support the eyeglasses on the nose of the user when wearing.

In an application scenario, the connecting portion 123 may be integrally connected to the eyeglass rim 11. When the user wears the eyeglasses, the connecting portion 123 may be disposed on a side of the first mounting groove 111 close to the user.

A side of each of the support portions 124 protruding toward the nose bridge of the user may be disposed with I-shaped hook(s) 1241. The eyeglasses may further include nose pad cover(s) 14 detachably sleeved on the hook(s) 1241.

As used herein, the nose pad cover 14 may be made of soft rubber. Specifically, the count of the I-shaped hook(s) 1241 may be two, corresponding to the left and right nose bridges of the user, respectively. The nose pad cover 14 may include two cover bodies 141 and a connecting portion 142 connecting to the two cover bodies 141. As used herein, the connecting portion 142 may be connected with the nose bridge of the user. The cover bodies 141 may be correspondingly disposed with I-shaped accommodation groove(s) 1411 matching the hook(s) 1241. Sides of the cover bodies 141 facing the nose bridge of the user may further be disposed with an anti-slippery portion 1412 including a number of grooves. In the embodiment, the nose pad cover 14 may be detachably disposed, thereby facilitating cleaning and replacement of the nose pad cover 14.

Further, in an embodiment, sides of the two support portions 124 back from the hook(s) 1241 may be protruded with strip shaped ribs 1242. The strip shaped ribs 1242 may cooperate with the two support portions 124 to form the second mounting groove 121 and the second buckle groove 122.

As used herein, the strip shaped ribs 1242 may be protruded along edges of the two support portions 124 away from the spectacle lens 13, thereby forming the second mounting groove 121 for receiving the inner edge 133 of the spectacle lens 13. At a position corresponding to the second buckle 1331 of the spectacle lens 13, the strip shaped ribs 1242 may be further recessed to form the second buckle groove 122.

Referring to FIG. 7 together, in one embodiment, the eyeglass rim may further include the eyeglass temple 15, function component(s) 16, and a connection wire 17. As used herein, the eyeglass temple 15 may include a first eyeglass temple 151 and a second eyeglass temple 152. The function component(s) 16 may include a first function component 161 and a second function component 162.

Specifically, the first eyeglass temple 151 and the second eyeglass temple 152 may be respectively connected to the eyeglass rim 11. The first function component 161 and the second function component 162 may be respectively disposed on the first eyeglass temple 151 and the second eyeglass temple 152. At least one cavity may be disposed on the two eyeglass temples 15 to accommodate the corresponding function components 16.

The connection wire 17 may be disposed inside the first mounting groove 111 and between the bottom of the first mounting groove 111 and the top-side edge 131 of the spectacle lens 13, and further extend to the first eyeglass temple 151 and the second eyeglass temple 152 to be electrically connected to the first function component 161 and the second function component 162.

In the embodiment, the function component(s) 16 respectively disposed in the two eyeglass temples 15 may need to be electrically connected through the connection wire 17 so that the eyeglasses may implement a specific function. Specifically, in an application scenario, the first function component 161 may be a battery component, and the second function component 162 may be a control circuit component. The control circuit component may be connected to the battery component through the connection wire 17, so that the battery component may provide power to the control circuit component. Therefore, the control circuit component may implement the specific function.

In order to meet requirements of beauty and lightness of the eyeglasses, the connection wire 17 may be disposed in the first mounting groove 111 along the top-side edge 131 of the spectacle lens 13 and accommodated inside a space formed by the first mounting groove 111 and the top-side edge 131 of the spectacle lens 13, so that the connection wire 17 may be neither exposed on the outer surface of the eyeglasses nor occupy extra space. In an application scenario, the connection wire 17 may further extend along the outer edge 132 of the spectacle lens 13 inside the first mounting groove 111.

Specifically, the eyeglass rim 11, the first eyeglass temple 151, and the second eyeglass temple 152 may respectively be disposed with a wiring channel communicated with each other, so that the connection wire 17 may enter the first eyeglass temple 151 and the second eyeglass temple 152 from the first mounting groove 111 of the eyeglass rim 11 through the corresponding wiring channels, thereby connecting the first function component 161 and the second function component 162.

In the embodiment, the connection wire 17 may have an electrical connection function. In other embodiments, the connection wire 17 may also have a mechanical connection function.

In the embodiment, the first function component 161 and the second function component 162 may be respectively disposed on the first eyeglass temple 151 and the second eyeglass temple 152. The connection wire 17 electrically connecting the first function component 161 and the second function component 162 may be disposed inside the first mounting groove 111 on the eyeglass rim 11 to receive the top-side edge 131 of the spectacle lens 13, so that the connection wire 17 may be disposed between the bottom of the first mounting groove 111 and the top-side edge 131 of the spectacle lens, and further extend to the first eyeglass temple 151 and the second eyeglass temple 152. Therefore, the connection wire 17 may not be exposed, and extra space may not need for the arrangement of the connection wire 17, so that the beauty and lightness of the eyeglasses may be maintained.

Referring to FIG. 9 , FIG. 10 , and FIG. 11 together, FIG. 9 is a partial sectional view illustrating an eyeglass rim and a spectacle lens according to an embodiment of the present disclosure, FIG. 10 is an enlarged view illustrating part A in FIG. 9 , and FIG. 11 is a partial structural diagram illustrating a connection wire according to an embodiment of the present disclosure. In the embodiment, the connection wire 17 may include a wire body 171 and a wire protection cover 172 wrapped around the periphery of the wire body 171. A sectional shape of the wire protection cover 172 may match a sectional shape of the first mounting groove 111, so that the wire protection cover 172 may be held in the first mounting groove 111 in a surface contact manner.

As used herein, the wire protection cover 172 may be made of soft rubber, so that the connection wire 17 may be bent to match the shape of the first mounting groove 111. It may be easy to understand that the wire body 171 may be thin. If the wire body 171 is directly installed in the first mounting groove 111, a contact area with the bottom of the first mounting groove 111 may be small, and it is difficult to be firmly fixed therein. In the embodiment, the wire protection cover 172 may be further wrapped around the periphery of the wire body 171, which, on the one hand, may play a role of protecting the wire body 171, and, on the other hand, increase the contact area between the connection wire 17 and the first mounting groove 111 by adjusting the surface area of the wire protection cover 172 to reliably fix the wire body 171 inside the first mounting groove 111.

Further, the sectional shape of the first mounting groove 111 may be a shape to allow the wire protection cover 172 to be held in the first mounting groove 111 with a large area of surface contact. For example, the shape may be U-shaped, rectangular, or wavy, and be not specifically limited herein. Correspondingly, the shape of a side of the wire protection cover 172 facing the bottom of the first mounting groove 111 may correspond to the shape, so that the wire protection cover 172 may be directly or indirectly fitted to the bottom of the first mounting groove 111.

In an application scenario, further referring to FIG. 7 , an adhesive layer 18 may be disposed between the wire protection cover 172 and the eyeglass rim 11, so that the wire protection cover 172 may be fixed in the first mounting groove 111 through the adhesive layer 18.

As used herein, the adhesive layer 18 may be disposed on the bottom of the first mounting groove 111, or further extended to both sides and disposed on a side wall near the bottom of the first mounting groove 111, thereby making the adhesive layer 18 to wrap around the wire protection cover 172 to more firmly fix the connection wire 17 inside the first mounting groove 111.

Specifically, in the application scenario, a section of the first mounting groove 111 may be rectangular. The bottom of the first mounting groove 111 and a side of the wire protection cover 172 facing the bottom of the first mounting groove 111 may be both flat, and the adhesive layer 18 may be a double-sided adhesive layer disposed therebetween.

Further, in one embodiment, a side of the wire protection cover 172 facing the top-side edge 131 of the eyeglass lens 13 may be disposed with a convex portion 1721 corresponding to the wire body 171. The top-side edge 131 of the spectacle lens 13 may be disposed with a clearance slot 1311 for receiving the convex portion 1721.

Specifically, the section of the wire body 171 may be circular. The wire protection cover 172 may be flush with the wire body 171 on the side of the wire body 171 facing the bottom of the first mounting groove 111. The side of the wire body 171 facing away from the bottom of the first mounting groove 111 may still present the shape of the wire body 171, thereby forming the corresponding convex portion 1721.

Further, the top-side edge 131 of the spectacle lens 13 may need to be further disposed inside the first mounting groove 111. In the embodiment, the top-side edge 131 may be further disposed with the clearance slot 1311 for receiving the convex portion 1721, so that the connection wire 17 installed inside the first mounting groove 111 may be at least partially accommodated in the clearance slot 1311 corresponding to the top-side edge 131.

Further, the convex portion 1721 may be located in a middle region of the wire protection cover 172 along a width direction of the wire protection cover 172 to form abutting portions 1722 on two sides of the convex portion 1721. The two abutting portions 1722 may abut on the top-side edges 131 on two sides of the clearance slot 1311, respectively. As used herein, the width direction of the wire protection cover 172 may refer to a direction perpendicular to a direction of the wire protection cover 172 along the first mounting groove 111, specifically a direction indicated by Win FIG. 10 .

It may be easy to understand that the depth of the first mounting groove 111 may be limited. If the top-side edge 131 of the spectacle lens 13 is flush with the convex portion 1721 of the connection wire 17, or a side of the wire protection cover 172 and the wire body 171 facing away from the bottom of the first mounting groove 111 is flush with the wire body 171, an insertion depth of the top-side edge 131 of the spectacle lens 13 in the first mounting groove 111 may be reduced, which may disadvantage the stable installation of the spectacle lens 13 in the eyeglass rim 11. In the embodiment, the top-side edge 131 of the spectacle lens 13 may avoid a portion of the connection wire 17 through the clearance slot 1311, so that the top-side edge 131 may further extend towards the bottom of the first mounting groove 111 relative to the clearance slot 1311 and abut on the abutting portions 1722 on the two sides of the protruding portion 1721. Therefore, the space occupied by the connection wire 17 in the first mounting groove 111 may be reduced to a certain extent, so that the spectacle lens 13 may be installed deeper inside the first mounting groove 111, thereby improving the stability of the spectacle lens 13 in the eyeglass rim 11.

In an application scenario, the eyeglass rim 11 may be thin, and at least a portion of the convex portion 1721 may be exposed outside the first mounting groove 111 to reduce the space of the eyeglass rim occupied by the connection wire 17, thereby reducing the depth of the first mounting groove 111 and improving the stability of the eyeglass rim 11.

As used herein, further referring to FIG. 2 and FIG. 12 , FIG. 12 is a partial structural diagram illustrating part B in FIG. 7 according to some embodiments of the present disclosure. In one embodiment, the first buckle 1321 may include a first sub-edge 13211, a second sub-edge 13212, and a third sub-edge 13213.

As used herein, the first sub-edge 13211 may be disposed adjacent to the top-side edge 131. The second sub-edge 13212 may be disposed away from the top-side edge 131 and opposite to the first sub-edge 13211. The third sub-edge 13213 may be connected to the first sub-edge 13211 and the second sub-edge 13212 on a side of the first sub-edge 13211 and the second sub-edge 13212 away from the spectacle lens 13.

In the embodiment, the wire protection cover 172 may further extend to the first buckle groove 112 along the first sub-edge 13211.

In the way, the wire protection cover 172 may be held in the first mounting groove 111 and extend to the first buckle groove 112 to be hidden in the eyeglass rim 11. Therefore, when a user disassembles the spectacle lens 13 during use, the wire protection cover 172 may not be exposed after the spectacle lens 13 is disassembled to maintain the beauty of the eyeglasses.

Further, when extending towards the first buckle groove 112, the wire protection cover 172 may end at a connection between the first sub-edge 13211 and the third sub-edge 13213. Certainly, the wire protection cover 172 may also not end and continue to extend along the wire body 171, as long as the wire protection cover 172 is not exposed when the spectacle lens 13 is disassembled.

Referring to FIG. 13 together, FIG. 13 is an enlarged sectional view illustrating a partial structure of eyeglasses according to an embodiment of the present disclosure. In the embodiment, the eyeglasses may further include rotating shaft(s) 19.

As used herein, the count of the rotating shaft(s) 19 may be two, and be respectively used to connect the eyeglass rim 11 and the two eyeglass temples 15 so that the eyeglass rim 11 and the eyeglass temples 15 may rotate relative to the rotating shaft 19. As used herein, the rotating shaft 19 may be disposed with a rotating shaft wiring channel 191 in an axial direction. The connection wire 17 may be disposed inside the shaft wiring channel 191 and extend to the eyeglass rim 11 and the eyeglass temples 15, respectively.

Specifically, in the embodiment, after the connection wire 17 passes through the rotating shaft wiring channel 191, one end of the connection wire 17 may extend directly to one of the eyeglass temples 15, and the other end of the connection wire 17 may enter the eyeglass rim 11 and further extend to another one of the eyeglass temples 15 along the first mounting groove 111, thereby electrically connecting the two function components 16 located inside the two eyeglass temples 15, respectively.

In the embodiment, the connection wire 17 near the rotating shaft wiring channel may not include the wire protection cover 172. The rotating shaft wiring channel 191 may pass through the rotating shaft 19.

It may be easy to understand that relative positions of structures near the rotating shaft 19 may change when the eyeglass rim 11 and the eyeglass temple 15 are folded. At this time, if the connection wire 17 located at the connection between the eyeglass rim 11 and the eyeglass temple 15 is directly disposed around the periphery of the rotating shaft 19, the connection wire 17 herein may be compressed or pulled, even deformed or broken with the folding of eyeglass rim 11 or eyeglass temples 15, which may affect the stability of the connection wire 17 and shorten the service life of the connection wire 17.

In the embodiment, the rotating shaft 19 may be disposed with the shaft wiring channel 191 along the axial direction. The connection wire 17 located at the connection between the eyeglass rim 11 and the eyeglass temple 15 may pass through the shaft wiring channel 191. Therefore, when the eyeglass rim 11 and the eyeglass temple 15 are folded, the connection wire 17 located inside the rotating shaft wiring channel 191 may only generate a certain amount of rotation with the rotation of the rotating shaft 19 to reduce the folding, compressing or pulling of the connection wire 17, thereby protecting the connection wire 17 to a certain extent, improving the stability of the connection wire 17, and extending the service life of the connection wire 17.

As used herein, in the embodiment, an inner diameter of the rotation shaft wiring channel 191 may be larger than an outer diameter of the connection wire 17. For example, the inner diameter of the shaft wiring channel 191 may be twice the outer diameter of the connection wire 17. Accordingly, a binding effect of the inner side wall of the axis wiring channel 191 on the connection wire 17 may be reduced, thereby reducing the rotation of the connection wire 17 when the eyeglass rim 11 and the eyeglass temple 15 are folded.

Referring to FIG. 13 and FIG. 14 together, FIG. 14 is a schematic structural diagram illustrating a rotating shaft and a connection wire of eyeglasses according to an embodiment of the present disclosure. In the embodiment, the rotating shaft 19 may include a first rotating shaft 192. Two ends of the first rotating shaft 192 may be respectively connected to the eyeglass rim 11 and the eyeglass temple 15. The rotating shaft wiring channel 191 may be disposed along an axial direction of the first rotating shaft 192. The shaft wiring channel 191 may communicate with the outside through a wiring port 1921 disposed on at least one end surface of the first rotating shaft 192. The connection wire 17 may extend to the eyeglass rim 11 or the eyeglass temples 15 through the wiring port 1921.

It should be noted that, in the embodiment, the first rotating shaft 192 may be rotatably connected to one of the eyeglass rim 11 and the eyeglass temples 15, and fixedly connected to another, so that the eyeglass rim 11 and the eyeglass temples 15 may be rotatably connected around the first rotating shaft 192.

Specifically, in the embodiment, the rotating shaft wiring channel 191 may be disposed inside the first rotating shaft 192, and further communicate with the outside through the wiring port 1921.

Specifically, the rotating shaft wiring channel 191 may penetrate at least one end surface of the first rotating shaft 192 to form the wiring port 1921 of the rotating shaft wiring channel 191. Therefore, the connection wire 17 may extend from the shaft wiring channel 191 through the at least one end surface of the first rotating shaft 192, and then extend to the eyeglass rim 11 or the eyeglass temples 15. It may be easy to understand that the periphery of the end surface of the first rotating shaft 192 may have a relatively large movement space. The connection wire 17 extending from the end surface of the first rotating shaft 192 may be accommodated inside the movement space. And if the first rotating shaft 192 at the end face is rotatably connected to the corresponding eyeglass rim 11 or eyeglass temple 15, when the eyeglass rim 11 and the eyeglass temple 15 fold and rotate, the movement space may be appropriately buffered a twist of the connection wire 17 near the wiring port 1921 on the end surface with the rotation of the first rotating shaft 192, thereby further reducing the twisting degree of the connection wire 17 and improving the stability of connection wire 17.

Referring to FIG. 15 , FIG. 15 is a schematic structural diagram illustrating a first rotating shaft of eyeglasses according to an embodiment of the present disclosure. In the embodiment, the wiring port 1921 may include a first wiring port 19211 and a second wiring port 19212 respectively disposed on two ends of the first rotating shaft 192. The rotating shaft wiring channel 191 may communicate with the outside through the two wiring ports 1921, so that the connection wire 17 may pass through the two ends of the first rotating shaft 192 and extend to the eyeglass rim 11 and the eyeglass temple 15 through the first wiring port 19211 and the second wiring port 19212, respectively.

In other words, in the application scenario, the connection wire 17 at the connection between the eyeglass rim 11 and the eyeglass temple 15 may be disposed inside the rotating shaft wiring channel 191 in the first rotating shaft 192, and extend from the rotating shaft wiring channel 191 through the two ends of the first rotating shaft 192, respectively. At this time, since large movement spaces exist on the periphery of two end surfaces of the first rotating shaft 192, the connection wire 17 extending from the two end surfaces of the first rotating shaft 192 may only move or twist slightly without compressing or deforming when the relative rotation occurs between the eyeglass rim 11 and the eyeglass temple 15.

Referring to FIG. 14 , in the embodiment, the wiring port 1921 may include a first wiring port 19213 and a second wiring port 19214. As used herein, the first wiring port 19213 may be disposed on an end surface of the first rotating shaft 192, and the second wiring port 19214 may be disposed on a side wall of the first rotating shaft 192. Therefore, one end of the shaft wiring channel 191 may penetrate the end surface of the first rotating shaft 192 in the axial direction through the first wiring port 19213, and the other end may penetrate the side wall of the first rotating shaft 192 through the second wiring port 19214, and then communicate with the outside. The connection wire 17 may extend to the eyeglass rim 11 and the eyeglass temple 15 through the first wiring port 19213 and the second wiring port 19214, respectively.

Similarly, a large movement space may be disposed near the end face of the first rotating shaft 192 of the first wiring port 19213. When a relative movement occurs between the eyeglass rim 11 and the eyeglass temple 15, the connection wire 17 near the first wiring port 19213 may only undergo a relative shift, or a small twist.

In an application scenario, the first rotating shaft 192 may be fixedly connected to one of the eyeglass rim 11 and the eyeglass temple 15 disposed near the second wiring port 19214, and rotatably connected to another of the eyeglass rim 11 and the eyeglass temple 15 disposed near the first wiring port 19213. That is, the first rotating shaft 192 may be rotatably connected to one of the eyeglass rim 11 or the eyeglass temple 15 at the wiring port 1921 disposed on the end surface. The first rotating shaft 192 may be fixedly connected to another of the eyeglass rim 11 or the eyeglass temple 15 at the wiring port 1921 disposed on the side wall.

In an application scenario, the first rotating shaft 192 may be closed to the eyeglass rim 11 at the first wiring port 19213, and rotatably connected to the eyeglass rim 11. The first rotating shaft 192 may be closed to the eyeglass temple 15 at the second wiring port 19214, and fixedly connected to the eyeglass temple 15.

It should be noted that, in this application scenario, the first rotating shaft 192 is rotatably connected to the eyeglass rim 11, and the relative rotation between the eyeglass rim 11 and the eyeglass temple 15 may cause the relative movement of the connection wire 17 at the first wiring 19213. However, since the first wiring port 19213 is disposed on the end surface of the first rotating shaft 192, similar to the embodiment described above, the end surface of the first rotating shaft 192 may have a large movement space. When the eyeglass rim 11 and the eyeglass temple 15 are folded and rotated, and the connection wire 17 near the wiring port 1921 on the end surface is twisted to a certain extent with the rotation of the first rotating shaft 192, the movement space may be appropriately buffered, and the twist may be turned into a shift or a small twist, without compressing or pulling the connection wire, thereby improving the stability of the connection wire and extending the service life of the connection wire.

In addition, the first rotating shaft 192 may be fixedly connected to the eyeglass temple 15 at the second wiring port 19214. It may be easy to understand that the eyeglass temple 11 and the first rotating shaft 192 may be synchronized when the relative rotation occurs between the eyeglass rim 11 and the eyeglass temple 15. Hence, the connection wire 17 in the shaft wiring channel 191 may extend through the second wiring port 19214 into the connection wire 17 of the eyeglass temple 11 without twisting, compressing, or pulling. Therefore, at this time, the second wiring port 19214 may be disposed on the end surface of the first rotating shaft 192 or on the side wall of the first rotating shaft 192. The relative rotation between eyeglass rim 11 and eyeglass temple 15 may not cause the twisting, compressing, pulling, etc., of the connection wire 17 herein.

In other embodiments, if the first rotating shaft 192 and the eyeglass temple 15 are rotatably connected at the second wiring port 19214, the relative rotation between thereof may allow the connection wire 17 to move, which may be constrained by the side wall of the first rotating shaft at the second wiring port 19214, so that the connection wire 17 may be compressed between the side wall of the first rotating shaft and the eyeglass temple 15.

If the first rotating shaft 192 is near the eyeglass temple 15 at the first wiring port 19213 and rotatably connected to the eyeglass temple 15, the first rotating shaft 192 may be near the eyeglass rim 11 at the second wiring port 19214 and fixedly connected to the eyeglass rim 11. For the same reason, when the eyeglass rim 11 and the eyeglass temple 15 are folded, the connection wire 17 inside the rotating shaft wiring channel 191 and near the first wiring port 19213 and the second wiring port 19214 may be still only slightly twisted or moved.

Referring to FIG. 14 , in one embodiment, the rotating shaft 19 may further include a second shaft 193 coaxial with and spaced from the first rotating shaft 192.

In the embodiment, the second rotating shaft 193 may be disposed on a side of the first rotating shaft 192 near the first wiring port 19213. Certainly, in other embodiments, the second rotating shaft 193 may also be disposed on a side of the first rotating shaft 192 closed to the second wiring port 19214.

Referring to FIG. 16 , FIG. 16 is a partial exploded view illustrating eyeglasses according to an embodiment of the present disclosure. In the embodiment, the eyeglass rim 11 may include first lug(s) 113. Specifically, the count of the first lug(s) 113 may be two, and be respectively disposed at two ends of the eyeglass rim 11 connecting to the two eyeglass temples 15 and protrude towards the corresponding eyeglass temples 15.

The eyeglass temple 15 may include a second lug 1501 and a third lug 1502 disposed at intervals. As used herein, the second lug 1501 and the third lug 1502 may face ends of the eyeglass rim 11 connected to the eyeglass temple 15 at which the lugs are located. In addition, when the user wears the eyeglasses, the second lug 1501 and the third lug 1502 may be connected to a side away from the head of the user, thereby making the eyeglasses more overall and more beautiful in appearance. In an application scenario, the second lug 1501 and the third lug 1502 disposed at intervals may be formed by disposing a groove in the middle of an end of the eyeglass temple 15 facing the eyeglass rim 11.

Further, ends of the first rotating shaft 192 and the second rotating shaft 193 closed to each other may be connected to the first lug 113. Ends of the first rotating shaft 192 and the second rotating shaft 193 away from each other may be connected to the second lug 1501 and the third lug 1502, respectively, so as to maintain the first lug 113 between the second lug 1501 and the third lug 1502.

As used herein, referring to FIG. 14 continuously, in one embodiment, the first wiring port 19213 may be disposed on an end surface of the first rotating shaft 192 near the second rotating shaft 193. The second wiring port 19214 may be disposed on a side wall of the first rotating shaft near the second lug 1501. The first rotating shaft may be rotatably connected to the first lug 113 and fixedly connected to the second lug 1501.

Specifically, in the embodiment, one end of the connection wire 17 inside the rotating shaft wiring channel 191 may extend from the first wiring port 19213 and pass through an interval between the first rotating shaft 192 and the second rotating shaft 193. Further, in an application scenario, the first lug 113 may be disposed with a wiring channel connected to the first wiring port 19213, so that the connection wire 17 may further enter the eyeglass rim 11 from the first lug 113.

In addition, the other end of the connection wire 17 inside the rotating shaft wiring channel 191 may extend from the second wiring port 19214. Further, in an application scenario, the third lug 1502 may be disposed with a wiring channel communicating with the second wiring port 19214, so that the connection wire 17 may further enter the eyeglass temple 15 through the wiring channel of the third lug 1502.

As used herein, the second wiring port 19214 may be a through-hole disposed on a side wall of the first rotating shaft 192, and communicated with the rotating shaft wiring channel 191 without penetrating an end of the first rotating shaft 192. In the embodiment, the second wiring port 19214 may be further penetrated along the side wall of the first rotating shaft 192 to an end of the first rotating shaft 192 away from the first wiring port 19213. It may be easy to understand that, in the embodiment, the second wiring port 19214 may have a larger space. Therefore, when the connection wire 17 is moved for some reason, the restriction on the connection wire 17 may be further reduced, and the damage to the side wall of the first rotating shaft 192 may be further reduced.

Referring to FIG. 16 , FIG. 17 , and FIG. 18 together, FIG. 17 is a schematic structural diagram illustrating an eyeglass rim and a spectacle lens of eyeglasses according to an embodiment of the present disclosure, and FIG. 18 is a partial structural schematic diagram illustrating an eyeglass temple of eyeglasses according to an embodiment of the present disclosures. In the embodiment, the first lug 113 and the second lug 1501 may be coaxially disposed with a first accommodating hole 1131 and a second accommodating hole 15011, respectively. Sizes of the first accommodating hole 1131 and the second accommodating hole 15011 may be set to allow the first rotating shaft 192 to be inserted into the first accommodating hole 1131 from the outside of the eyeglass temple 15 through the second accommodating hole 15011, such that the first rotating shaft 192 may be in an interference fit with the second accommodating hole 15011 and in a clearance fit with the first accommodating hole 1131.

Specifically, the second accommodating hole 15011 may be a through-hole penetrating the second lug 1501. The first accommodating hole 1131 may correspond to the second accommodating hole 15011 and penetrate at least a portion of the first lug 113. As used herein, an inner diameter of the first accommodating hole 1131 may be larger than the second accommodating hole 15011. An outer diameter of the first rotating shaft 192 may be between the first accommodating hole 1131 and the second accommodating hole 15011. Therefore, the first rotating shaft 192 may be fixedly connected to the eyeglass temple 15 and rotatably connected to the eyeglass rim 11 so that the eyeglass rim 11 and the eyeglass temple 15 may be rotated around the first rotating shaft 192 to be folded or unfolded.

Further, in an embodiment, the first lug 113 and the third lug 1502 may be coaxially disposed with a third accommodating hole 1132 and a fourth accommodating hole 15021, respectively. Sizes of the third accommodating hole 1132 and the fourth accommodating hole 15021 may be set to allow the second rotating shaft 193 to be inserted into the third accommodating hole 1132 from the outside of the eyeglass temple 15 via the fourth accommodating hole 15021, such that the second rotating shaft 193 may be in an interference fit with the third accommodating hole 1132 and in a clearance fit with the fourth accommodating hole 15021, or the second rotating shaft 193 may be in a clearance fit with the third accommodating hole 1132 and in an interference fit with the fourth accommodating hole 15021.

In the embodiment, the third accommodating hole 1132 and the fourth accommodating hole 15021 may be coaxial with both the first accommodating hole 1131 and the second accommodating hole 15011. As used herein, the third accommodating hole 1132 may penetrate at least a portion of the first lug 113. In one application scenario, the first accommodating hole 1131 and the third accommodating hole 1132 may be coaxially penetrated. Specifically, as described in the above embodiment, the first lug 113 of the eyeglass rim 11 may be disposed with a wiring channel connected to the first wiring port 19213. The first accommodating hole 1131 and the third accommodating hole 1132 may be respectively disposed on both sides of the wiring channel located inside the first lug 113 and both pass through the wiring channel. The fourth accommodating hole 15021 may penetrate the third lug 1502. As used herein, the outer diameter of the second rotating shaft 193 may be between the inner diameter of the third accommodating hole 1132 and the inner diameter of the fourth accommodating hole 15021. The inner diameter of the third accommodating hole 1132 may be larger than the fourth accommodating hole 15021. Alternatively, the inner diameter of the fourth accommodating hole 15021 may be larger than the third accommodating hole 1132. Therefore, the second rotating shaft 193 may be fixedly connected to the eyeglass temple 15 and rotatably connected to the eyeglass rim 11, or the second rotating shaft 193 may be fixedly connected to the eyeglass rim 11 and rotatably connected to the eyeglass temple 15, so that the eyeglass rim 11 and the eyeglass temple 15 may be rotated around the first rotating shaft 192 to be folded or unfolded.

In one embodiment, the second rotating shaft 193 may be a solid shaft, and the diameter may be less than that of the first rotating shaft 192. In the wearing state, the second shaft 193 may be located on the upper side of eyeglass temple 15, and the first rotating shaft may be located on the lower side of eyeglass temple 15.

It should be noted that, since the rotating shaft wiring channel 191 may be disposed inside the first rotating shaft 192, the outer diameter of the first rotating shaft 192 may be larger, which may adversely satisfy aesthetic needs of the user. Therefore, in the embodiment, the second rotating shaft 193 having a smaller outer diameter may be further disposed. Hence, when the user wears the eyeglasses, the second rotating shaft 193 may be disposed on an upper portion that is easily found, and the first rotating shaft 192 may be disposed on a lower portion that is not easily observed. Since the outer diameter of the second rotating shaft 193 is smaller, the overall aesthetic effect of the eyeglasses may be improved to a certain extent.

Certainly, in other embodiments, the first rotating shaft 192 and the second rotating shaft 193 may also be other cases. For example, the second rotating shaft 193 may also be a hollow shaft, and the diameter of the second rotating shaft 193 may be larger than the diameter of the first rotating shaft 192. Alternatively, in the wearing state, the second rotating shaft 193 may be disposed on a lower side of the eyeglass temple 15, and the first rotating shaft 192 may be disposed on an upper side of the eyeglass temple 15, or the like, and be not limited herein.

In addition, referring to FIG. 14 , a connection between an end surface 1922 of the first rotating shaft 192 for disposing the first wiring port 19213 and an inner wall surface 1923 of the first rotating shaft 192 for defining the rotating shaft wiring channel 191 may be arc-shaped. It may be easy to understand that, when the rotation between the eyeglass rim 11 and the eyeglass temple 15 through the rotating shaft 19 occurs, since the first rotating shaft 192 and the eyeglass rim 11 are rotatably connected, the connection wire 17 at the first wiring port 19213 may be moved. In the embodiment, the connection between the end surface 1922 of the first rotating shaft 192 and the inner wall surface 1923 may be arc-shaped. Therefore, when the connection wire 17 at the first wiring port 19213 moves and contacts with the first rotating shaft 192, the connection wire 17 may be avoided to be cut if the connection is too sharp, thereby further protecting the connection wire 17.

In an application scenario, a connection between the end surface of the first rotating shaft 192 for disposing the second wiring port 19214 and the inner wall surface 1923 of the first rotating shaft 192 for defining the rotating shaft wiring channel 191 may also be arc-shaped. Similarly, in this way, the connection wire 17 may be further protected.

It should be noted that the above description of the rotating shaft and wiring in the eyeglasses may be only specific examples, and should be not considered as the only feasible implementation. Obviously, for those skilled in the art, after understanding the basic principle of the rotating shaft and wiring in the eyeglasses, it may be possible to make various modifications and changes in the form and details of the specific manner and operation of implementing the rotating shaft and wiring in the eyeglasses without departing from these principles, but these modifications and changes are still within the scope described above. For example, the branch circuit board may also include a third pad and a third flexible circuit board. All such variations may be within the protection scope of the present disclosure.

In typical cases, the sound quality of the loud speaking component (e.g., the earphone core 102) may be affected by various factors such as the physical properties of components of the loud speaking component, vibration transmission relationship(s) between the components, a vibration transmission relationship between the loud speaking component and the outside, and the efficiency of a vibration transmission system when vibration is transmitted. The components of the loud speaking component may include a component that generates the vibration (e.g., but is not limited to a transducing device), a component that fixes the loud speaking component (e.g., but is not limited to an eyeglass rim), and a component that transmits the vibration (e.g., but is not limited to a panel, a vibration transmission layer, etc.). The vibration transmission relationship(s) between the components and the vibration transmission relationship between the loud speaking component and the outside may be determined by a contact mode (e.g., but is not limited to, a clamping force, a contact area, a contact shape, etc.) between the loud speaking component and the user.

For the purpose of illustration only, relationship(s) between the sound quality and the components of the loud speaking component may be further described below based on the loud speaking component. It may need to be known that the contents described below may also be applied to an air conduction loud speaking component without violating the principle. FIG. 19 is an equivalent model illustrating a vibration generation and transmission system of a loud speaking component according to some embodiments of the present disclosure. As shown in FIG. 19 , it may include a fixed end 1101, a sensing terminal 1102, a vibration unit 1103, and a transducing device 1104. As used herein, the fixed end 1101 may be connected to the vibration unit 1103 based on a transmission relationship K1 (k₄ in FIG. 19 ). The sensing terminal 1102 may be connected to the vibration unit 1103 based on a transmission relationship K2 (R₃, k₃ in FIG. 19 ). The vibration unit 1103 may be connected to the transducing device 1104 based on a transmission relationship K3 (R₄, k₅ in FIG. 19 ).

The vibration unit mentioned herein may be a vibrating body including a panel and a transducing device. The transmission relationships K1, K2, and K3 may be descriptions of functional relationships between corresponding portions of an equivalent system of the loud speaking component (described in detail below). The vibration equation of the equivalent system may be expressed as: m ₃ x ₃ ″+R ₃ x ₃ ′−R ₄ x ₄′+(k ₃ +k ₄)x ₃ +k ₅(x ₃ −x ₄)=f ₃  (1) m ₄ x ₄ ″+R ₄ x ₄ ″−k ₅(x ₃ −x ₄)=f ₄  (2)

As used herein, m₃ may be an equivalent mass of the vibration unit 1103. m₄ may be an equivalent mass of the transducing device 1104. x₃ may be an equivalent displacement of the vibration unit 1103. x₄ may be an equivalent displacement of the transducing device 1104. k₃ may be an equivalent elastic coefficient between the sensing terminal 1102 and the vibration unit 1103. k₄ may be an equivalent elastic coefficient between the fixed end 1101 and the vibration unit 1103. k₅ may be an equivalent elastic coefficient between the transducing device 1104 and the vibration unit 1103. R₃ may be an equivalent damping between sensing terminal 1102 and vibration unit 1103. R₄ may be an equivalent damping between the transducing device 1104 and the vibration unit 1103. f₃ and f₄ may be interaction forces between the vibration unit 1103 and the transducing device 1104, respectively. An equivalent amplitude A₃ of the vibration unit in the system may be:

$\begin{matrix} {A_{3} = {{- \frac{m_{4}\omega^{2}}{\mspace{25mu}{\left( {{m_{3}\omega^{2}} + {j\;\omega\; R_{3}} - \left( {k_{3} + k_{4} + k_{5}} \right)} \right){\left( {{m_{4}\omega^{2}} + {j\;\omega\; R_{4}} - k_{5}} \right) - {k_{5}\left( {k_{5} - {j\;\omega\; R_{4}}} \right)}}}}} \cdot f_{0}}} & (3) \end{matrix}$

As used herein, f₀ may mean a driving force unit. w may mean a vibration frequency. It may be seen that factors affecting a frequency response of a bone conduction loud speaking component may include a vibration generation portion (e.g., but is not limited to a vibration unit, a transducing device, a housing, and interconnection manners, such as m₃, m₄, k₅, R₄, etc., in equation (3)), a vibration transmission portion (e.g., but is not limited to, a contact manner with the skin, and properties of the eyeglass rim, such as k₃, k₄, R₃, etc., in the equation (3)). The change of structures of the components of the loud speaking component and parameters of connections between the components may change the frequency response and sound quality of the bone conduction loud speaking component. For example, the change of a clamping force may be equivalent to changing the size of k₄. The change of a bonding manner of glue may be equivalent to changing the size of R₄ and k₅. The change of the hardness, elasticity, damping, etc., of a relevant material may be equivalent to changing the size of k₃ and R₃.

In a specific embodiment, the fixed end 1101 may be points or regions relatively fixed in the bone conduction loud speaking component during the vibration. These points or regions may be regarded as the fixed end of the bone conduction loud speaking component during the vibration. The fixed end may constitute a specific component, or a position determined according to the overall structure of the bone conduction loud speaking component. For example, the bone conduction loud speaking component may be hung, bonded, or adsorbed near human ears by a specific device. The structure and shape of the bone conduction loud speaking component may be designed so that a bone conduction part may be attached to the human skin.

The sensing terminal 1102 may be a hearing system for the human body to receive sound signal(s). The vibration unit 1103 may be portions of the bone conduction loud speaking component for protecting, supporting, and connecting the transducing device, including portions that directly or indirectly contact the user, such as a vibration transmission layer or panel that transmits the vibration to the user, a housing that protects and supports other vibration-generating units, etc. The transducing device 1104 may be a sound vibration generating device, which may be one or more the transducing devices discussed above or any combination thereof.

The transmission relationship K1 may connect the fixed end 1101 and the vibration unit 1103, and represent a vibration transmission relationship between a vibration generating portion and the fixed end during the work of the bone conduction loud speaking component. K1 may be determined according to the shape and structure of the bone conduction device. For example, the bone conduction loud speaking component may be fixed to the human head in the form of a U-shaped earphone holder/earphone strap, or installed on a helmet, fire mask or other special-purpose masks, eyeglasses, etc. The shapes and structures of different bone conduction loud speaking components may affect the vibration transmission relationship K1. Further, the structure of the loud speaking component may also include physical properties such as composition materials, qualities, etc., of different portions of the bone conduction loud speaking component. The transmission relationship K2 may connect the sensing terminal 402 and the vibration unit 1103.

K2 may be determined according to the composition of the transmission system. The transmission system may include but be not limited to transmitting sound vibration to the hearing system through tissues of the user. For example, when the sound is transmitted to the hearing system through the skin, subcutaneous tissues, bones, etc., the physical properties of different human tissues and their interconnections may affect K2. Further, the vibration unit 1103 may be in contact with the human tissue. In different embodiments, a contact surface on the vibration unit may be a side of a vibration transmission layer or panel. A surface shape, size of the contact surface, and an interaction force with the human tissue may affect the transmission relationship K2.

The transmission relationship K3 between the vibration unit 1103 and the transducing device 1104 may be determined by connection properties inside the vibration generating device of the bone conduction loud speaking component. The transducing device and the vibration unit may be connected in a rigid or elastic manner. Alternatively, the change of a relative position of a connecting piece between the transducing device and the vibration unit may change the transmission device to transmit the vibration to the vibrating unit (in particular, the transmission efficiency of the panel), thereby affecting the transmission relationship K3.

During the use of the bone conduction loud speaking component, the sound generation and transmission process may affect the final sound quality felt by the human body. For example, the above-mentioned fixed end, the human sensing terminal, the vibration unit, the transducing device, and the transmission relationships K1, K2, and K3, etc., may all affect the sound quality of the bone conduction loud speaking component. It should be noted that K1, K2, and K3 are only a representation of the connection modes of different device portions or systems involved in the vibration transmission process, and may include, but be not limited to, a physical connection manner, a force transmission manner, the sound transmission efficiency, or the like.

FIG. 20 is a structural diagram illustrating a composite vibration device of a loud speaking component according to some embodiments of the present disclosure.

In some embodiments, the composite vibration device may be disposed on eyeglasses. In some embodiments, the composite vibration device in FIG. 20 may be a vibration portion that provides a sound inside an earphone core. Specifically, the composite vibration device in some embodiments of the present disclosure may be equivalent to a specific representation of the transmission relationship K3 of the vibration unit 1103 and the transducing device 1104 in FIG. 19 . FIG. 21 is a structural diagram illustrating a composite vibration device of a loud speaking component according to an embodiment of the present disclosure. Embodiments of the composite vibration device of the loud speaking component may be shown in FIG. 20 and FIG. 21 . A vibration transmission plate 1801 and a vibration plate 1802 may form the composite vibration device. The vibration transmission plate 1801 may be disposed as a first annular body 1813. The first annular body may be disposed with three first supporting rods 1814 converged towards a center. A center position of the converged center may be fixed at the center of the vibration plate 1802. The center of the vibration plate 1802 may be a groove 1820 matching the converged center and the first support rods. The vibration plate 1802 may be disposed with a second annular body 1821 having a radius different from that of the vibration transmission plate 1801, and three second supporting rods 1822 having different thicknesses from that of the first supporting rod 1814. During assembly, the first supporting rods 1814 and the second supporting rods 1822 may be staggered and shown an angle being but be not limited to 60 degrees.

The first and second supporting rods may both be straight rods or other shapes that meet specific requirements. The count of supporting rods may be more than two, and symmetrical or asymmetrical arrangement may be adapted to meet requirements of economy and practical effects. The vibration transmission plate 1801 may have a thin thickness and be able to increase an elastic force. The vibration transmission plate 1801 may be clamped in the center of the groove 1820 of the vibration plate 1802. A voice coil 1808 (i.e., a coil 422 in FIG. 5 ) may be attached to a lower side of the second annular body 1821 of the vibration plate 1802. The composite vibration device may further include a bottom plate 1812. The bottom plate 1812 may be disposed with an annular magnet 1810. An inner magnet 1811 may be concentrically disposed in the annular magnet 1810. An inner magnetic conduction plate 1809 may be disposed on the top surface of the inner magnet 1811. An annular magnetic conduction plate 1807 may be disposed on the annular magnet 1810. A washer 1806 may be fixedly disposed above the annular magnetic conduction plate 1807. The first annular body 1813 of the vibration transmission plate 1801 may be fixedly connected to the washer 1806. The entire composite vibration device may be connected to the outside through a panel 1830. The panel 1830 may be fixedly connected to the converged center of the vibration transmission plate 1801, and fixed to the center of the vibration transmission plate 1801 and the vibration plate 1802. FIG. 22 is a frequency response curve illustrating a loud speaking component according to an embodiment of the present disclosure. Using the composite vibration device constituting the vibrating plate and the vibration transmission plate, a frequency response shown in FIG. 22 may be obtained and two formants may be generated. By adjusting parameters such as sizes and materials of the two components, the formants may appear at different positions. For example, a low-frequency formant may appear at a position shifted at a lower frequency, and/or a high-frequency formant may appear at a position at a higher frequency. Preferably, a stiffness coefficient of the vibration plate may be greater than a stiffness coefficient of the vibration transmission plate. The vibration plate may generate the high-frequency formant in the two formants, and the vibration transmission plate may generate the low-frequency formant in the two formants. The range of the formants may be set within a frequency range of sounds audible to the human ear, and may also be not in the range. Preferably, neither of the formants may be within the frequency range of the sounds audible to the human ear. More preferably, one formant may be within the frequency range of the sounds audible to the human ear, and another formant may be out of the frequency range of the sounds audible to the human ear. More preferably, both formants may be within the frequency range of the sounds audible to the human ear. The descriptions of the composite vibration device constituting the vibration plate and the vibration transmission plate may be found in a patent application named “Bone conduction loud speaking component and composite vibration device thereof” disclosed in Chinese Patent Application No. 201110438083.9, filed on Dec. 23, 2011, which are hereby incorporated by reference in its entirety.

FIG. 23 is a structural diagram illustrating a composite vibration device of a loud speaking component according to some embodiments of the present disclosure. In some embodiments, an earphone core may include the composite vibration device. In another embodiment, as shown in FIG. 23 , the composite vibration device of the loud speaking component may include a vibration plate 2002, a first vibration transmission plate 2003, and a second vibration transmission plate 2001. The first vibration transmission plate 2003 may fix the vibration plate 2002 and the second vibration transmission plate 2001 on a core housing 2219. The composite vibration device constituted by the vibration plate 2002, the first vibration transmission plate 2003, and the second vibration transmission plate 2001 may generate not less than two formants. A flatter frequency response curve may be generated within an audible range of a hearing system, thereby improving the sound quality of the loud speaking component.

The count of formants generated in a triple composite vibration system of the first vibration transmission plate may be greater than that of a composite vibration system without the first vibration transmission plate. Preferably, the triple composite vibration system may generate at least three formants. More preferably, at least one formant may not be within the range audible to the human ear. More preferably, the formants may be all within the range audible to the human ear. FIG. 24 is a vibration response curve illustrating a loud speaking component according to some embodiments of the present disclosure. In one embodiment, by using the triple composite vibration system constituted by the vibration plate, the first vibration transmission plate, and the second vibration transmission plate, the frequency response shown in FIG. 24 may be obtained, resulting in three distinct formants, so that the sensitivity of the frequency response of the loud speaking component in the low frequency range (about 600 Hz) may be greatly improved, and the sound quality may be improved.

By changing parameters such as the size and material of the first vibration transmission plate, the formant(s) may be shifted to obtain an ideal frequency response. Preferably, the first vibration transmission plate may be an elastic plate. The elasticity may be determined by various aspects such as the material, thickness, and structure of the first vibration transmission plate. The material of the first vibration transmission plate may be, but be not limited to, steel (such as, but is not limited to, stainless steel, carbon steel, etc.), a light alloy (such as, but is not limited to, an aluminum alloy, a beryllium copper, a magnesium alloy, a titanium alloy, etc.), plastics (such as, but being is limited to, high-molecular polyethylene, blown nylon, engineering plastics, etc.), other single or composite materials capable of implementing the same performance. The composite materials may be but be not limited to a reinforcing material, for example, glass fiber, carbon fiber, boron fiber, graphite fiber, graphene fiber, silicon carbide fiber, aramid fiber, etc. The composite materials may also be a composite of other organic and/or inorganic materials, such as various types of glass steels constituted by glass fiber reinforcing unsaturated polyester, epoxy resin, or phenolic resin. The thickness of the first vibration transmission plate may not be less than 0.005 mm. Preferably, the thickness may be 0.005 mm to 3 mm. More preferably, the thickness may be 0.01 mm to 2 mm. Still more preferably, the thickness may be 0.01 mm to 1 mm. Further preferably, the thickness may be 0.02 mm to 0.5 mm. The structure of the first vibration transmission plate may be disposed in a ring shape, and preferably include at least one ring. Preferably, the structure may include at least two rings, which may be concentric rings or non-concentric rings. The rings may be connected by at least two supporting rods that centrally radiate from the outer ring to the inner ring. Further preferably, the structure may include at least one elliptical ring. Further preferably, the structure may include at least two elliptical rings. Different elliptical rings may have a different radius of curvature. The rings may be connected by the supporting rods. Still further preferably, the first vibration transmission plate may include at least one square ring. The structure of the first vibration transmission plate may also be disposed in a plate shape. Preferably, a hollow pattern may be disposed on the first vibration transmission plate, and the area of the hollow pattern may not be less than the area without a hollow pattern. The material, thickness, and structure described above may be combined to form different vibration transmission plates. For example, the ring-shaped vibration transmission plate may have different thickness distributions. Preferably, the thickness of the supporting rod may be equal to the thickness of the ring. Further preferably, the thickness of the supporting rod may be greater than the thickness of the ring. More preferably, the thickness of the inner ring may be greater than the thickness of the outer ring.

The content disclosed in the present disclosure may also disclose specific embodiments of the vibration plate, the first vibration transmitting piece, and the second vibration transmitting piece described above. FIG. 25 is a structural diagram illustrating a vibration generating portion of a loud speaking component according to some embodiments of the present disclosure. As shown in FIG. 25 , a transducing device may include a magnetic circuit system constituted by a magnetic conduction plate 2210, a magnetic system constituted by a magnet 2211 and a magnetizer 2212, a vibration plate 2214, a coil 2215, a first vibration transmission plate 2216, and a second vibration transmission plate 2217. A panel 2213 may protrude from a core housing 2219, and be bonded to the vibration plate 2214 by glue. The first vibration transmission plate 2216 may connect and fix the transducing device on the core housing 2219 to form a suspension structure.

During the working of the loud speaking component, a triple vibration system constituted by the vibration plate 2214, the first vibration transmission plate 2216, and the second vibration transmission plate 2217 may generate a flatter frequency response curve, thereby improving the sound quality of the loud speaking component. The first vibration transmission plate 2216 may elastically connect the transducing device to the core housing 2219, which may reduce the vibration transmitted by the transducing device to the housing, thereby effectively reducing a leaked sound caused by the vibration of the housing, and also reducing the influence of the vibration of the housing on the sound quality of the loud speaking component. FIG. 26 is a vibration response curve illustrating a vibration component of a loud speaking component according to some embodiments of the present disclosure. As used herein, the thick line may show the frequency response of the vibration generating portion when the first vibration transmission plate 2216 is used, and the thin line may show the frequency response of the vibration generating portion when the first vibration transmission plate 2216 is not used. It may be seen that the vibration of the housing of the loud speaking component without the first vibration transmission plate 2216 may be significantly greater than the vibration of the housing of the loud speaking component with the first vibration transmission plate 2216 in a frequency range above 500 Hz. FIG. 27 is a vibration response curve illustrating a generating portion a loud speaking component according to some embodiments of the present disclosure. FIG. 27 is a comparison of a leaked sound in a case of including the first vibration transmission plate 2216 and a case of excluding the first vibration transmission plate 2216. As used herein, the leaked sound of the device with the first vibration transmission plate 2216 in an intermediate frequency (e.g., about 1000 Hz) may be less than the leaked sound of the device without the first vibration transmission plate 2216 in the corresponding frequency range. It may be seen that the vibration of the housing may be effectively reduced after using the first vibration transmission plate between the panel and the housing, thereby reducing the leaked sound. In some embodiments, the first vibration transmission plate may include, but be not limited to, stainless steel, beryllium copper, plastics, a polycarbonate material, or the like. The thickness may be in a range of 0.01 mm-1 mm.

FIGS. 28A and 28B are schematic diagrams of a loud speaking component according to some embodiments of the present disclosure. In the embodiment, the loud speaking component may include a core housing 210, a vibration panel 221, and a transducing device 22. Referring to FIG. 25 , the core housing 210 may be consistent with the core housing 2219 (FIG. 25 ). In some embodiments, the transducing device 22 may be accommodated inside the core housing 210 and generate a vibration. The vibration of the transducing device 22 may cause the core housing 210 to vibrate, thereby pushing the air outside the housing to vibrate and generate a leaked sound. At least one sound guiding hole 230 may be disposed in at least a portion of the core housing 210. The sound guiding hole(s) 230 may be used to lead sound waves in the housing formed by the air vibration inside the core housing 210 to the outside of the core housing 210, and interfere with leaked sound waves formed by the air outside the housing pushed by the vibration of the core housing 210. In some embodiments, the interference may reduce the amplitude of the leaked sound waves.

The vibration panel 221 may be fixedly connected to the transducing device 22, and synchronously vibrated by the transducing device 22. The vibration panel 221 may protrude from the core housing 210 through an opening of the core housing 210, and at least partially fit human skins. The vibration may be transmitted to auditory nerves through human tissues and bones, so that a person may hear a sound. The transducing device 22 and the core housing 210 may be connected through a connection piece 23. The connection piece 23 may position the transducing device 22 inside the core housing 210.

The connection piece 23 may be one or more independent components, or disposed with the transducing device 22 or the core housing 210 as a whole. In some embodiments, in order to reduce a constraint on the vibration, the connection piece 23 may be made of an elastic material.

In some embodiments, the sound guiding hole(s) 230 may be disposed in an upper portion of the height of a side wall, for example, a portion of the side wall from the top (the vibration panel) to ⅓ height along the height direction.

Taking a cylindrical housing as an example, for the disposing position, the sound guiding hole(s) 230 may be opened in a side wall 211 and/or a bottom wall 212 of the housing according to different requirements. Preferably, the sound guiding hole(s) 230 may be opened in an upper portion and/or a lower portion of the side wall 211 of the housing. The count of sound guiding holes in the side wall 211 of the housing may be at least two, and preferably uniformly distributed in a circularly circumferential direction. The count of sound guiding holes in the bottom wall 212 of the housing may be at least two. With a center of the bottom wall as the center of the ring, the holes may be uniformly distributed in a ring shape. The sound guiding holes distributed in the ring may be disposed as at least one ring. The count of sound guiding holes disposed in the bottom wall 212 of the housing may be only one. The sound guiding holes may be disposed at the center of the bottom wall 212.

As for the count, the sound guiding hole(s) may be one or more, preferably multiple, and evenly arranged. For ring-shaped distributed sound guiding holes, the count of sound guiding holes of each ring may be, for example, 6-8.

The shape of the sound guiding hole may be a ring shape, an oval shape, a rectangular shape, or a long strip shape. The long strip shape may generally refer to a long strip along a straight line, a curve, an arc, or the like. Various shapes of the sound guiding holes on the loud speaking component may be the same or different.

In some embodiments, the penetrating sound guiding hole(s) 230 may be disposed in the lower portion of the side wall of the core housing 210 (a portion of the side wall from ⅔ height to the bottom along the height direction). The count of the sound guiding hole(s) 230 may be, for example, eight, and the shape may be, for example, a rectangle. Each sound guiding hole 230 may be uniformly distributed in a ring shape on the side wall of the core housing 210.

In some embodiments, the core housing 210 may be cylindrical. The penetrating sound guiding hole(s) 230 may be disposed in a middle portion of the side wall of the core housing 210 (a portion of the side wall from ⅓ to ⅔ height along the height direction). The count of the sound guiding hole(s) 230 may be, for example, eight, and the shape may be, for example, a rectangle. Each sound guiding hole 230 may be uniformly distributed in a ring shape on the side wall of the core housing 210.

In some embodiments, the penetrating sound guiding hole(s) 230 may be disposed in a circumferential direction of the bottom wall of the core housing 210. The count of the sound guiding hole(s) 230 may be, for example, eight, and the shape may be, for example, a rectangle. Each sound guiding hole 230 may be uniformly distributed in a ring shape on the side wall of the core housing 210.

In some embodiments, the penetrating sound guiding hole(s) 230 may be respectively formed in the upper and lower portions of the side wall of the core housing 210. The sound guiding hole(s) 230 may be uniformly distributed in the upper portion and the lower portion of the side wall of the core housing 210 in a ring shape. The count of the sound guiding hole(s) 230 of each ring may be eight. In addition, the sound guiding hole(s) 230 disposed at the upper and lower portions may be symmetrically disposed relative to a middle portion of the core housing 210. The shape of each sound guiding hole 230 may be a ring.

In some embodiments, the penetrating sound guiding hole(s) 230 may be disposed in the upper portion and the lower portion of the side wall of the core housing 210, and the bottom wall of the core housing 210, respectively. The sound guiding hole(s) 230 opened on the side wall may be evenly distributed in the upper portion and the lower portion of the side wall of the core housing 210. The count of the hole(s) of each ring may be eight. The sound guiding hole(s) 230 disposed at the upper portion and the lower portion may be symmetrically arranged relative to a middle portion of the core housing 210. Each sound guiding hole 230 opened on the side wall may be rectangular. The shape of the sound guiding hole(s) 230 opened on the bottom wall may be a long strip shape arranged along an arc. The count of the hole(s) may be four. The hole(s) may be uniformly distributed in a ring shape with the center of the bottom wall as the ring center. The sound guiding hole(s) 230 opened on the bottom wall may also include a ring through-hole opened at the center.

In some embodiments, the penetrating sound guiding hole(s) 230 may be opened in the upper portion of the side wall of the core housing 210. The hole(s) may be evenly distributed in the upper portion of the side wall of the core housing 210. The count may be, for example, eight, and the shape of the sound guiding hole(s) 230 may be a ring.

In some embodiments, in order to show a better effect of suppressing leaked sound, the sound guiding holes 230 may be uniformly distributed in the upper portion, the middle portion, and the lower portion of the side wall 11, respectively, and a ring of the sound guiding hole(s) 230 may also be disposed in the bottom wall 12 of the core housing 210 in the circumferential direction. The aperture of each sound guiding hole 230 and the count of the hole(s) may be the same.

In some embodiments, the sound guiding hole 230 may be an unobstructed through-hole.

In order to control the effect of the sound wave propagating from the sound guiding hole(s) 230 in the housing, a damping layer (not shown in the specification drawing) may be disposed at the opening of the sound guiding hole(s) 230 to adjust the phase and amplitude of the sound wave, thereby correcting and guiding the effect of the sound wave in the housing. The material and position of the damping layer may be set in many manners. For example, the damping layer may be made of tuning paper, tuning cotton, non-woven fabric, silk, cotton, sponge, rubber, or other materials with a certain damping for sound quality conduction. The damping layer may be attached to an inner wall of the sound guiding hole(s) 230, or placed on the outside of the sound guiding hole(s) 230.

In some embodiments, corresponding to different sound guiding holes, the disposed damping layer may be disposed to have the same phase difference between the different sound guiding holes 230 to suppress the leaked sound of the same wavelength, or different phase differences between the different sound guiding holes 230 to suppress the leaked sound of different wavelengths (i.e., a specific band of leaked sound).

In some embodiments, different portions of the same sound guiding hole(s) 230 may be disposed to have the same phase (e.g., using a pre-designed step or step-shaped damping layer) to suppress leaked sound waves of the same wavelength. Alternatively, different portions of the same sound guiding hole 230 may be disposed to have different phases to suppress leaked sound waves of different wavelengths.

The transducing device 22 may not only drive the vibration panel 221 to vibrate, but also be a vibration source, which is accommodated inside the core housing 210. The vibration of the surface of the transducing device 22 may cause the air in the housing to vibrate with the surface. Sound waves may be formed inside the core housing 210, which may be referred to as in-housing sound waves. The vibration panel 221 and the transducing device 22 may be located at the core housing 210 through the connection piece 23. It may be inevitable that the vibration may be applied to the core housing 210 to drive the core housing 210 to vibrate synchronously. Therefore, the core housing 210 may push the air outside the housing to vibrate to form the leaked sound wave. The leaked sound wave may propagate outward, forming the leaked sound.

According to the following equation to determine a position of the sound guiding hole to suppress the leaked sound, the reduction of the leaked sound may be proportional to: (∫∫_(s) _(opening) Pds−∫∫ _(s) _(housing) P _(d) ds)  (4)

Wherein S_(opening) may be an opening area of the sound guiding hole, and S_(housing) may be a housing area that is not in contact with the face.

An in-housing pressure: P=P _(a) +P _(b) +P _(c) +P _(e),  (5)

P_(a), P_(b), P_(c), and P_(e) may be sound pressures generated at any point of a-plane, b-plane, c-plane, and e-plane in the housing space, respectively.

$\begin{matrix} {{P_{a}\left( {x,y,z} \right)} = {{{- j}\;\omega\;\rho_{0}{\int{\int_{S_{a}}{{{W_{a}\left( {x_{a}^{\prime},y_{a}^{\prime}} \right)} \cdot \frac{e^{j\; k\;{R{({x_{a}^{\prime},y_{a}^{\prime}})}}}}{4\;\pi\;{R\left( {x_{a}^{\prime},y_{a}^{\prime}} \right)}}}{dx}_{a}^{\prime}{dy}_{a}^{\prime}}}}} - P_{aR}}} & (6) \\ {{P_{b}\left( {x,y,z} \right)} = {{{- j}\;\omega\;\rho_{0}{\int{\int_{S_{b}}{{{W_{b}\left( {x^{\prime},y^{\prime}} \right)} \cdot \frac{e^{{jkR}{({x^{\prime},y^{\prime}})}}}{4\;\pi\;{R\left( {x^{\prime},y^{\prime}} \right)}}}{dx}^{\prime}{dy}^{\prime}}}}} - P_{bR}}} & (7) \\ {{P_{c}\left( {x,y,z} \right)} = {{{- j}\;\omega\;\rho_{0}{\int{\int_{S_{c}}{{{W_{c}\left( {x_{c}^{~\prime},y_{c}^{\prime}} \right)} \cdot \frac{e^{{jkR}{({x_{c}^{\prime},y_{c}^{\prime}})}}}{4\;\pi\;{R\left( {x_{c}^{\prime},y_{c}^{\prime}} \right)}}}{dx}_{c}^{\prime}{dy}_{c}^{\prime}}}}} - P_{cR}}} & (8) \\ {{P_{e}\left( {x,y,z} \right)} = {{{- j}\;\omega\;\rho_{0}{\int{\int_{S_{e}}{{{W_{e}\left( {x_{e}^{\prime},y_{e}^{\prime}} \right)} \cdot \frac{e^{{jkR}{({x_{e}^{\prime},y_{e}^{\prime}})}}}{4\;\pi\;{R\left( {x_{e}^{\prime},y_{e}^{\prime}} \right)}}}{dx}_{e}^{\prime}{dy}_{e}^{\prime}}}}} - P_{eR}}} & (9) \end{matrix}$

Wherein, R(x′,y′)=√{square root over ((x−x′)²+(y−y′)²+z²)} may be the distance from an observation point (x,y,z) to a point (x′, y′, 0) on a b-plane sound source, S_(a), S_(b), S_(c), and S_(e) may be the area of a-plane, b-plane, c-plane, and e-plane, respectively,

R(x_(a)′, y_(a)′)=√{square root over ((x−x_(a)′)²+(y−y_(a)′)²+(z−z_(a))²)} may be the distance from the observation point (x,y,z) to a point (x_(a)′, y_(a)′, z_(a)) on a a-plane sound source,

R(x_(c)′,y_(c)′)=√{square root over ((x−x_(c)′)²+(y−y_(c)′)²+(z−z_(c))²)} may be the distance from the observation point (x,y,z) to a point (x_(c)′, y_(c)′, z_(c)) on a c-plane sound source,

R(x_(e)′,y_(e)′)=√{square root over ((x−x_(e)′)²+(y−y_(e)′)²+(z−z_(e))²)} may be the distance from the observation point (x,y,z) to a point (x_(e)′, y_(e)′, z_(e)) on an e-plane sound source, k=ω/u may be a wave count (u may be the speed of sound), ρ₀ may be a density of air. w may be an angular frequency of vibration, and P_(aR), P_(bR), P_(cR), and P_(eR) may be sound resistances of air itself, which respectively may be:

$\begin{matrix} {P_{aR} = {{A \cdot \frac{{z_{a} \cdot r} + {j\;{\omega \cdot z_{a} \cdot r^{\prime}}}}{\varphi}} + \delta}} & (10) \\ {P_{bR} = {{A \cdot \frac{{z_{b} \cdot r} + {j\;{\omega \cdot z_{b} \cdot r^{\prime}}}}{\varphi}} + \delta}} & (11) \\ {P_{cR} = {{A \cdot \frac{{z_{c} \cdot r} + {j\;{\omega \cdot z_{c} \cdot r^{\prime}}}}{\varphi}} + \delta}} & (12) \\ {P_{eR} = {{A \cdot \frac{{z_{e} \cdot r} + {j\;{\omega \cdot z_{e} \cdot r^{\prime}}}}{\varphi}} + \delta}} & (13) \end{matrix}$

Wherein r may be a sound damping of each unit length, r′ may be a sound mass of each unit length, z_(a) may be the distance from the observation point to the a-plane sound source, z_(b) may be the distance from the observation point to the b-plane sound source, z_(e) may be the distance from the observation point to the c-plane sound source, z_(e) may be the distance from the observation point to the e-plane sound source.

W_(a)(x,y), W_(b)(x,y), W_(c)(x,y), W_(e)(x,y), and W_(d)(x,y) may be sound source intensities of each unit area of the a-plane, b-plane, c-plane, e-plane, and d-plane, and may be derived from the following equation group (14):

$\begin{matrix} \left\{ \begin{matrix} {F_{e} = {F_{a} = {F - {k_{1}\cos\mspace{14mu}\omega\; t} - {\int{\int_{S_{a}}{{W_{a}\left( {x,y} \right)}{dxdy}}}} -}}} \\ {{\int{\int_{S_{e}}{{W_{e}\left( {x,y} \right)}{dxdy}}}} - f} \\ {F_{b} = {{- F} + {k_{1}\cos\mspace{14mu}\omega\; t} + {\int{\int_{S_{b}}{{W_{b}\left( {x,y} \right)}{dxdy}}}} -}} \\ {{\int{\int_{S_{e}}{{W_{e}\left( {x,y} \right)}{dxdy}}}} - L} \\ {F_{c} = {F_{d} = {F_{b} - {k_{2}\cos\mspace{14mu}\omega\; t} - {\int{\int_{S_{c}}{{W_{c}\left( {x,y} \right)}{dxdy}}}} - f - \gamma}}} \\ {F_{d} = {F_{b} - {k_{2}\cos\mspace{14mu}\omega\; t} - {\int{\int_{S_{d}}{{W_{d}\left( {x,y} \right)}{dxdy}}}}}} \end{matrix} \right. & (14) \end{matrix}$

Wherein F may be a driving force converted by the transducing device, F_(a), F_(b), F_(c), F_(d), F_(e) may be driving forces of a, b, c, d, and e, respectively, S_(d) may be the housing (d-plane) area, f may be a viscous resistance formed by a small gap of the side wall, f=ηΔs(dv/dy), L may be an equivalent load of the face when the vibration plate acts on the face, y may be energy dissipated on an elastic element 2, k₁, k₂ may be elastic coefficients of an elastic element 1 and the elastic element 2, respectively, η may be a fluid viscosity coefficient, dv/dy may be a fluid velocity gradient, Δs may be a sectional area of an object (plate), A may be the amplitude, ϕ may be an area of a sound field, A may be a high-order quantity (derived from an incomplete symmetry of the shape of the housing). At any point outside the housing, a sound pressure generated by the vibration of the housing may be:

$\begin{matrix} {P_{d} = {{- j}\;\omega\;\rho_{0}{\int{\int{{{W_{d}\left( {x_{d}^{\prime},y_{d}^{\prime}} \right)} \cdot \frac{e^{{jkR}{({x_{d}^{\prime},y_{d}^{\prime}})}}}{4\;\pi\;{R\left( {x_{d}^{\prime},y_{d}^{\prime}} \right)}}}{dx}_{d}^{\prime}{dy}_{d}^{\prime}}}}}} & (15) \end{matrix}$

Wherein R(x_(d)′, y_(d)′)=√{square root over ((x−x_(d)′)²+(y−y_(d)′)²+(z−z_(d))²)} may be the distance from the observation point (x,y,z) to a point (x_(d)′, y_(d)′, z_(d)) on the d-plane sound source.

P_(a), P_(b), P_(c), P_(e) may be all functions of position. When a hole is opened at any position of the housing, and the area of the hole is S, the total effect of sound pressure at the hole may be ∫∫_(s) _(opening) Pds.

Since the vibration panel 221 on the core housing 210 is closely attached to the human tissue, and its output energy may be absorbed by the human tissue, only the d-plane may push the air outside the housing to vibrate to form the leaked sound. The total effect of vibration of the air outside the housing pushed by the housing may be ∫∫_(s) _(housing) P_(d) ds.

In some application scenarios, our goal may be to make ∫∫_(s) _(opening) Pds and ∫∫_(s) _(housing) P_(d) ds equal in magnitude and opposite in direction, so as to achieve the effect of reducing the leaked sound. Once the basic structure of the device is determined, ∫∫_(s) _(housing) P_(d) ds may be an amount that we cannot adjust, ∫∫_(s) _(opening) Pds may be adjusted to offset ∫∫_(s) _(housing) P_(d) ds. ∫∫_(s) _(opening) Pds may include complete phase and amplitude information. The phase and amplitude may be closely related to the housing size of the loud speaking component, the vibration frequency of the transducing device, the opening position, shape, count, size of the sound guiding hole(s), and whether there is a damping on the hole, which may allow us to implement the purpose of suppressing the leaked sound by adjusting the opening position, shape and count of sound guiding hole(s), and/or increasing damping and/or adjusting damping material.

The in-housing sound wave(s) and leaked sound wave(s) may be equivalent to two sound sources shown in the figure. The penetrating sound guiding hole(s) 230 may be opened on the wall surface of the housing in some embodiments of the present disclosure, which may guide the in-housing sound wave(s) to propagate to the outside of the housing, propagate in the air with the leaked sound waves(s), and interfere therewith, thereby reducing the amplitude of the leaked sound wave(s), that is, reducing the leaked sound. Therefore, the technical solution of the present disclosure, through the convenient improvement of opening sound guiding hole(s) in the housing, may solve the problem of the leaked sound to a certain extent without increasing the volume and weight of the loud speaking component.

According to the equation derived by the inventor, those skilled in the art may easily understand that the elimination effect of leaked sound wave(s) may be closely related to the housing size of the loud speaking component, the vibration frequency of the transducing device, the opening position, shape, count, and size of the sound guiding hole(s), and whether there is a damping on the hole, such that the opening position, shape, count, and the damping material of the sound guiding hole(s) may have a variety of different solutions according to needs.

FIG. 29 is a diagram illustrating an effect of suppressing leaked sound of a loud speaking component according to some embodiments of the present disclosure. In a target region near the loud speaking component (e.g., the loud speaking component shown in FIGS. 28A and 28B), a difference between a phase of a leaked sound wave transmitted to the target region and a phase of an in-housing sound wave propagating to the target region through sound guiding hole(s) may be close to 180 degrees. By doing this, the leaked sound wave generated by the housing may be significantly reduced or even eliminated in the target region.

As shown in FIG. 29 , the leaked sound wave may be significantly suppressed in a frequency band from 1500 Hz to 4000 Hz. As used therein, within a frequency band from 1500 Hz to 3000 Hz, the suppressed leaked sound may basically exceed 10 dB. Especially within a frequency band from 2000 Hz to 2500 Hz, the leaked sound may be reduced by more than 20 dB after the sound guiding hole(s) is opened in an upper side of the housing compared with a case without opening the sound guiding hole(s).

FIG. 30 is a longitudinal sectional view illustrating a loud speaking component according to some embodiments of the present disclosure. As shown in FIG. 30 , the loud speaking component 300 may include a first magnetic unit 302, a first magnetically conductive unit 304, a second magnetically conductive unit 306, a first vibration plate 308, a voice coil 310, a second vibration plate 312, and a vibration panel 314. As used herein, the loud speaking component 300 may correspond to the magnetic circuit component in FIG. 19 . In some embodiments, the magnetic circuit component may include the first magnetic unit 302, the first magnetically conductive unit 304, and the second magnetically conductive unit 306. The magnetic circuit component may generate a first full magnetic field (also referred to “total magnetic field of the magnetic circuit component” or “first magnetic field”).

The magnetic unit described in the present disclosure may refer to an unit that may generate a magnetic field, such as a magnet. The magnetic unit may have a magnetization direction. The magnetization direction may refer to a direction of a magnetic field inside the magnetic unit. In some embodiments, the first magnetic unit 302 may include one or more magnets. The first magnetic unit may generate a second magnetic field. In some embodiments, the magnet may include a metal alloy magnet, ferrite, or the like. The metal alloy magnet may include neodymium iron boron, samarium cobalt, aluminum nickel cobalt, iron chromium cobalt, aluminum iron boron, iron carbon aluminum, or the like, or any combination thereof. Ferrite may include barium ferrite, steel ferrite, manganese ferrite, lithium manganese ferrite, or the like, or any combination thereof.

In some embodiments, a lower surface of the first magnetically conductive unit 304 may be connected to an upper surface of the first magnetic unit 302. The second magnetically conductive unit 306 may be connected to the first magnetic unit 302. It should be noted that the magnetically conductive unit herein may also refer to a magnetic field concentrator or an iron core. The magnetically conductive unit may adjust a distribution of a magnetic field (e.g., a second magnetic field generated by the first magnetic unit 302). The magnetically conductive unit may include a unit made of a soft magnetic material. A connection manner between the first magnetically conductive unit 304, the second magnetically conductive unit 306, and the first magnetic unit 302 may include bonding, snapping, welding, riveting, bolting, or the like, or any combination thereof. In some embodiments, the first magnetic unit 302, the first magnetically conductive unit 304, and the second magnetically conductive unit 306 may be disposed as an axisymmetric structure. The axisymmetric structure may be a ring structure, a columnar structure, or other axisymmetric structures.

In some embodiments, a magnetic gap may form between the first magnetic unit 302 and the second magnetically conductive unit 306. The voice coil 310 may be disposed in the magnetic gap. The voice coil 310 may be connected to the first vibration plate 308. The first vibration plate 308 may be connected to the second vibration plate 312. The second vibration plate 312 may be connected to the vibration panel 314. When a current is passed into the voice coil 310, the voice coil 310 may be located in a magnetic field formed by the first magnetic unit 302, the first magnetically conductive unit 304, and the second magnetically conductive unit 306, and applied to an ampere force. The ampere force may drive the voice coil 310 to vibrate, and the vibration of the voice coil 310 may drive the vibration of the first vibration plate 308, the second vibration plate 312, and the vibration panel 314. The vibration panel 314 may transmit the vibration to auditory nerves through tissues and bones, so that a person may hear a sound. The vibration panel 314 may be in direct contact with human skins, or in contact with the skins through a vibration transmission layer made of a specific material.

In some embodiments, for a loud speaking component with a single magnetic unit, magnetic induction line(s) passing through the voice coil may not be uniform and divergent. At the same time, magnetic leakage may form in the magnetic circuit. That is, more magnetic induction lines may leak outside the magnetic gap and fail to pass through the voice coil. As a result, a magnetic induction strength (or magnetic field strength) at the position of the voice coil may decrease, which may affect the sensitivity of the loud speaking component. Therefore, the loud speaking component 300 may further include at least one second magnetic unit and/or at least one third magnetically conductive unit (not shown in figures). The at least one second magnetic unit and/or at least one third magnetically conductive unit may suppress the leakage of the magnetic induction lines and restrict the shape of the magnetic induction lines passing through the voice coil. Therefore, more magnetic induction lines may pass through the voice coil as horizontally and densely as possible to increase the magnetic induction strength (or magnetic field strength) at the position of the voice coil, thereby increasing the sensitivity of the loud speaking component 300, and further improving the mechanical conversion efficiency of the loud speaking component 300 (i.e., the efficiency of converting the input power of the loud speaking component 300 into the mechanical energy of the vibration of the voice coil).

FIG. 31 is a longitudinal sectional view illustrating a magnetic circuit component 2100 according to some embodiments of the present disclosure. As shown in FIG. 31 , the magnetic circuit component 2100 may include a first magnetic unit 2102, a first magnetically conductive unit 2104, a second magnetically conductive unit 2106, and a second magnetic unit 2108. In some embodiments, the first magnetic unit 2102 and/or the second magnetic unit 2108 may include any one or more magnets described in the present disclosure. In some embodiments, the first magnetic unit 2102 may include a first magnet, and the second magnetic unit 2108 may include a second magnet. The first magnet may be the same as or different from the second magnet. The first magnetically conductive unit 2104 and/or the second magnetically conductive unit 2106 may include any one or more magnetically conductive materials described in the present disclosure. The processing manner of the first magnetically conductive unit 2104 and/or the second magnetically conductive unit 2106 may include any one or more processing manners described in the present disclosure. In some embodiments, the first magnetic unit 2102 and/or the first magnetically conductive unit 2104 may be disposed as an axisymmetric structure. For example, the first magnetic unit 2102 and/or the first magnetically conductive unit 2104 may be a cylinder, a cuboid, or a hollow ring (e.g., the cross-section is a shape of the runway). In some embodiments, the first magnetic unit 2102 and the first magnetically conductive unit 2104 may be coaxial cylinders with the same or different diameters. In some embodiments, the second magnetically conductive unit 2106 may be a groove-type structure. The groove-type structure may include a U-shaped section (as shown in FIG. 30 ). The groove-type second magnetically conductive unit 2106 may include a bottom plate and a side wall. In some embodiments, the bottom plate and the side wall may be integrally formed as a whole. For example, the side wall may be formed by extending the bottom plate in a direction perpendicular to the bottom plate. In some embodiments, the bottom plate may be connected to the side wall through any one or more connection manners described in the present disclosure. The second magnetic unit 2108 may be disposed as a ring shape or a sheet shape. In some embodiments, the second magnetic unit 2108 may be the ring shape. The second magnetic unit 2108 may include an inner ring and an outer ring. In some embodiments, the shape of the inner ring and/or the outer ring may be a ring, an ellipse, a triangle, a quadrangle, or any other polygons. In some embodiments, the second magnetic unit 2108 may be formed by arranging a number of magnets. Both ends of any one of the number of magnets may be connected to or have a certain distance from both ends of an adjacent magnet. The spacing between the magnets may be the same or different. In some embodiments, the second magnetic unit 2108 may be formed by arranging two or three sheet-shaped magnets equidistantly. The shape of the sheet-shaped magnet may be fan-shaped, a quadrangular shape, or the like. In some embodiments, the second magnetic unit 2108 may be coaxial with the first magnetic unit 2102 and/or the first magnetically conductive unit 2104.

In some embodiments, the upper surface of the first magnetic unit 2102 may be connected to the lower surface of the first magnetically conductive unit 2104. The lower surface of the first magnetic unit 2102 may be connected to the bottom plate of the second magnetically conductive unit 306. The lower surface of the second magnetic unit 2108 may be connected to the side wall of the second magnetically conductive unit 2106. The connection manners between the first magnetic unit 2102, the first magnetically conductive unit 2104, the second magnetically conductive unit 2106, and/or the second magnetic unit 2108 may include bonding, snapping, welding, riveting, bolting, or the like, or any combination thereof.

In some embodiments, a magnetic gap may be formed between the first magnetic unit 2102 and/or the first magnetically conductive unit 2104 and the inner ring of the second magnetic unit 2108. A voice coil 2128 may be disposed in the magnetic gap. In some embodiments, heights of the second magnetic unit 2108 and the voice coil 2128 relative to the bottom plate of the second magnetically conductive unit 2106 may be equal. In some embodiments, the first magnetic unit 2102, the first magnetically conductive unit 2104, the second magnetically conductive unit 2106, and the second magnetic unit 2108 may form a magnetic circuit. In some embodiments, the magnetic circuit component 2100 may generate a first full magnetic field (also referred to “total magnetic field of magnetic circuit component” or “first magnetic field”). The first magnetic unit 2102 may generate a second magnetic field. The first full magnetic field may be formed by magnetic fields generated by all components (e.g., the first magnetic unit 2102, the first magnetically conductive unit 2104, the second magnetically conductive unit 2106, and the second magnetic unit 2108) in the magnetic circuit component 2100. The magnetic field strength of the first full magnetic field in the magnetic gap (also referred to as magnetic induction strength or magnetic flux density) may be greater than the magnetic field strength of the second magnetic field in the magnetic gap. In some embodiments, the second magnetic unit 2108 may generate a third magnetic field. The third magnetic field may increase the magnetic field strength of the first full magnetic field in the magnetic gap. The third magnetic field increasing the magnetic field strength of the first full magnetic field herein may mean that the magnetic strength of the first full magnetic field in the magnetic gap when the third magnetic field exists (i.e., the second magnetic unit 2108 exists) may be greater than that of the first full magnetic field when the third magnetic field does not exist (i.e., the second magnetic unit 2108 does not exist). In other embodiments of the specification, unless otherwise specified, the magnetic circuit component may mean a structure including all magnetic units and magnetically conductive units. The first full magnetic field may represent the magnetic field generated by the magnetic circuit component as a whole. The second magnetic field, the third magnetic field, . . . , and the N-th magnetic field may respectively represent the magnetic fields generated by the corresponding magnetic units. In different embodiments, the magnetic unit that generates the second magnetic field (the third magnetic field, . . . , or the N-th magnetic field) may be the same or different.

In some embodiments, an included angle between a magnetization direction of the first magnetic unit 2102 and a magnetization direction of the second magnetic unit 2108 may be between 0 degrees and 180 degrees. In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2102 and the magnetization direction of the second magnetic unit 2108 may be between 45 degrees and 135 degrees. In some embodiments, the induced angle between the magnetization direction of the first magnetic unit 2102 and the magnetization direction of the second magnetic unit 2108 may be equal to or greater than 90 degrees. In some embodiments, the magnetization direction of the first magnetic unit 2102 may be perpendicular to the lower surface or the upper surface of the first magnetic unit 302 and be vertically upward (as shown by the direction a in the figure). The magnetization direction of the second magnetic unit 2108 may be directed from the inner ring of the second magnetic unit 2108 to the outer ring (as shown by the direction b on the right side of the first magnetic unit 2102 in the figure, the magnetization direction of the first magnetic unit 2102 may deflect 90 degrees in a clockwise direction).

In some embodiments, at the position of the second magnetic unit 2108, an included angle between the direction of the first full magnetic field and the magnetization direction of the second magnetic unit 2108 may not be greater than 90 degrees. In some embodiments, at the position of the second magnetic unit 2108, the included angle between the direction of the magnetic field generated by the first magnetic unit 2102 and the direction of the magnetization of the second magnetic unit 2108 may be less than or equal to 90 degrees, such as 0 degrees, 10 degrees, 20 degrees, or the like.

Compared with a magnetic circuit component with a single magnetic unit, the second magnetic unit 2108 may increase the total magnetic flux in the magnetic gap of the magnetic circuit component 2100, thereby increasing the magnetic induction intensity in the magnetic gap. And, under the action of the second magnetic unit 2108, originally scattered magnetic induction lines may converge to the position of the magnetic gap, further increasing the magnetic induction intensity in the magnetic gap.

FIG. 32 is a longitudinal sectional view illustrating a magnetic circuit component 2600 according to some embodiments of the present disclosure. As shown in FIG. 32 , different from the magnetic circuit component 2100, the magnetic circuit component 2600 may further include at least one electrically conductive unit (e.g., a first electrically conductive unit 2118, a second electrically conductive unit 2120, and a third electrically conductive unit 2122).

The electrically conductive unit may include a metal material, a metal alloy material, an inorganic non-metal material, or other conductive materials. The metal material may include gold, silver, copper, aluminum, etc. The metal alloy material may include an iron-based alloy, an aluminum-based alloy material, a copper-based alloys, a zinc-based alloys, etc. The inorganic non-metal material may include graphite, etc. The electrically conductive unit may be a sheet shape, a ring shape, a mesh shape, or the like. The first electrically conductive unit 2118 may be disposed on an upper surface of the first magnetically conductive unit 2104. The second electrically conductive unit 2120 may be connected to the first magnetic unit 2102 and the second magnetically conductive unit 2106. The third electrically conductive unit 2122 may be connected to a side wall of the first magnetic unit 2102. In some embodiments, the first magnetically conductive unit 2104 may protrude from the first magnetic unit 2102 to form a first concave portion. The third electrically conductive unit 2122 may be disposed on the first concave portion. In some embodiments, the first electrically conductive unit 2118, the second electrically conductive unit 2120, and the third electrically conductive unit 2122 may include the same or different conductive materials. The first electrically conductive unit 2118, the second electrically conductive unit 2120, and the third electrically conductive unit 2122 may be respectively connected to the first magnetically conductive unit 2104, the second magnetically conductive unit 2106 and/or the first magnetic unit 2102 through any one or more connection manners described in the present disclosure.

A magnetic gap may be formed between the first magnetic unit 2102, the first magnetically conductive unit 2104, and the inner ring of the second magnetic unit 2108. A voice coil 2128 may be disposed in the magnetic gap. The first magnetic unit 2102, the first magnetically conductive unit 2104, the second magnetically conductive unit 2106, and the second magnetic unit 2108 may form a magnetic circuit. In some embodiments, the electrically conductive unit may reduce an inductive reactance of the voice coil 2128. For example, if a first alternating current flows through the voice coil 2128, a first alternating induced magnetic field may be generated near the voice coil 2128. Under the action of the magnetic field in the magnetic circuit, the first alternating induced magnetic field may cause the inductive reactance of the voice coil 2128 and hinder the movement of the voice coil 2128. When an electrically conductive unit (e.g., the first electrically conductive unit 2118, the second electrically conductive unit 2120, and the third electrically conductive unit 2122) is disposed near the voice coil 2128, the electrically conductive unit may induce a second alternating current under the action of the first alternating induced magnetic field. A third alternating current in the electrically conductive unit may generate a second alternating induced magnetic field near the third alternating current. The second alternating induction magnetic field may be opposite to the first alternating induction magnetic field, and weaken the first alternating induction magnetic field, thereby reducing the inductive reactance of the voice coil 2128, increasing the current in the voice coil, and improving the sensitivity of the loud speaking component.

FIG. 33 is a longitudinal sectional view illustrating a magnetic circuit component 2700 according to some embodiments of the present disclosure. As shown in FIG. 33 , different from the magnetic circuit component 2500, the magnetic circuit component 2700 may further include a third magnetic unit 2110, a fourth magnetic unit 2112, a fifth magnetic unit 2114, a third magnetically conductive unit 2116, a sixth magnetic unit 2124, and a seventh magnetic unit 2126. The third magnetic unit 2110, the fourth magnetic unit 2112, the fifth magnetic unit 2114, the third magnetically conductive unit 2116 and/or the sixth magnetic unit 2124, and the seventh magnetic unit 2126 may be disposed as coaxial ring cylinders.

In some embodiments, an upper surface of the second magnetic unit 2108 may be connected to the seventh magnetic unit 2126. A lower surface of the second magnetic unit 2108 may be connected to the third magnetic unit 2110. The third magnetic unit 2110 may be connected to the second magnetically conductive unit 2106. An upper surface of the seventh magnetic unit 2126 may be connected to the third magnetically conductive unit 2116. The fourth magnetic unit 2112 may be connected to the second magnetically conductive unit 2106 and the first magnetic unit 2102. The sixth magnetic unit 2124 may be connected to the fifth magnetic unit 2114, the third magnetically conductive unit 2116, and the seventh magnetic unit 2126. In some embodiments, the first magnetic unit 2102, the first magnetically conductive unit 2104, the sixth magnetic unit 2124, the second magnetically conductive unit 2106, the second magnetic unit 2108, the third magnetic unit 2110, the fourth magnetic unit 2112, the fifth magnetic unit 2114, the third magnetically conductive unit 2116, and the seventh magnetic unit 2126 may form a magnetic circuit and a magnetic gap.

In some embodiments, an included angle between a magnetization direction of the first magnetic unit 2102 and a magnetization direction of the sixth magnetic unit 2124 may be between 0 degrees and 180 degrees. In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2102 and the magnetization direction of the sixth magnetic unit 2124 may be between 45 degrees and 135 degrees. In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2102 and the magnetization direction of the sixth magnetic unit 2124 may not be higher than 90 degrees. In some embodiments, the magnetization direction of the first magnetic unit 2102 may be perpendicular to a lower surface or an upper surface of the first magnetic unit 2102 and be vertically upward (as shown by the direction a in the figure). The magnetization direction of the sixth magnetic unit 2124 may be directed from an outer ring of the sixth magnetic unit 2124 to an inner ring (as shown by the direction g on the right side of the first magnetic unit 2102 in the figure, the magnetization direction of the first magnetic unit 2102 may deflect 270 degrees in a clockwise direction). In some embodiments, the magnetization direction of the sixth magnetic unit 2124 may be the same as that of the fourth magnetic unit 2112 in the same vertical direction.

In some embodiments, at the position of the sixth magnetic unit 2124, an included angle between the direction of the magnetic field generated by the magnetic circuit component 2700 and the magnetization direction of the sixth magnetic unit 2124 may not be higher than 90 degrees. In some embodiments, at the position of the sixth magnetic unit 2124, the included angle between the direction of the magnetic field generated by the first magnetic unit 2102 and the magnetized direction of the sixth magnetic unit 2124 may be less than or equal to 90 degrees, such as 0 degrees, 10 degrees, or 20 degrees.

In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2102 and the magnetization direction of the seventh magnetic unit 2126 may be between 0 degrees and 180 degrees. In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2102 and the magnetization direction of the seventh magnetic unit 2126 may be between 45 degrees and 135 degrees. In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2102 and the magnetization direction of the seventh magnetic unit 2126 may not be higher than 90 degrees. In some embodiments, the magnetization direction of the first magnetic unit 2102 may be perpendicular to a lower surface or an upper surface of the first magnetic unit 2102 and be vertically upward (as shown by the direction a in the figure). The magnetization direction of the seventh magnetic unit 2126 may be directed from the lower surface of the seventh magnetic unit 2126 to the upper surface (as shown in the direction of f on the right side of the first magnetic unit 2102 in the figure, the magnetization direction of the first magnetic unit 2102 may deflect 360 degrees in a clockwise direction). In some embodiments, the magnetization direction of the seventh magnetic unit 2126 may be opposite to that of the third magnetic unit 2110.

In some embodiments, at the position of the seventh magnetic unit 2126, the included angle between the direction of the magnetic field generated by magnetic circuit component 2700 and the direction of magnetization of the seventh magnetic unit 2126 may not be higher than 90 degrees. In some embodiments, at the position of the seventh magnetic unit 2126, the included angle between the direction of the magnetic field generated by the first magnetic unit 2102 and the magnetized direction of the seventh magnetic unit 2126 may be less than or equal to 90 degrees, such as 0 degrees, 10 degrees, or 20 degrees.

In the magnetic circuit component 2700, the third magnetically conductive unit 2116 may close the magnetic circuit generated by the magnetic circuit component 2700, so that more magnetic induction lines may be concentrated in the magnetic gap, thereby implementing the effect of suppressing the magnetic leakage, increasing the magnetic induction strength in the magnetic gap, and improving the sensitivity of the loud speaking component.

FIG. 34 is a longitudinal sectional view illustrating a magnetic circuit component 2900 according to some embodiments of the present disclosure. As shown in FIG. 34 , the magnetic circuit component 2900 may include a first magnetic unit 2902, a first magnetically conductive unit 2904, a first full magnetic field changing unit 2906, and a second magnetic unit 2908.

An upper surface of the first magnetic unit 2902 may be connected to a lower surface of the first magnetically conductive unit 2904. The second magnetic unit 2908 may be connected to the first magnetic unit 2902 and the first full magnetic field changing unit 2906. The connection manners between the first magnetic unit 2902, the first magnetically conductive unit 2904, the first full magnetic field changing unit 2906, and/or the second magnetic unit 2908 may be based on any one or more connection manners described in the present disclosure. In some embodiments, the first magnetic unit 2902, the first magnetically conductive unit 2904, the first full magnetic field changing unit 2906, and/or the second magnetic unit 2908 may form a magnetic circuit and a magnetic gap.

In some embodiments, the magnetic circuit component 2900 may generate a first full magnetic field. The first magnetic unit 2902 may generate a second magnetic field. A magnetic field intensity of the first full magnetic field in the magnetic gap may be greater than the magnetic field intensity of the second magnetic field in the magnetic gap. In some embodiments, the second magnetic unit 2908 may generate a third magnetic field. The third magnetic field may increase a magnetic field strength of the second magnetic field in the magnetic gap.

In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2902 and the magnetization direction of the second magnetic unit 2908 may be between 0 degrees and 180 degrees. In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2902 and the magnetization direction of the second magnetic unit 2908 may be between 45 degrees and 135 degrees. In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2902 and the magnetization direction of the second magnetic unit 2908 may not be higher than 90 degrees.

In some embodiments, at the position of the second magnetic unit 2908, the included angle between a direction of the first full magnetic field and the magnetization direction of the second magnetic unit 2908 may not be higher than 90 degrees. In some embodiments, at the position of the second magnetic unit 2908, the included angle between the direction of the magnetic field generated by the first magnetic unit 2902 and the direction of magnetization of the second magnetic unit 2908 may be a less than or equal to 90 degrees, such as 0 degrees, 10 degrees, or 20 degrees. As another example, the magnetization direction of the first magnetic unit 2902 may be perpendicular to the lower surface or the upper surface of the first magnetic unit 2902 and be vertically upward (as shown by the direction a in the figure). The magnetization direction of the second magnetic unit 2908 may be directed from the outer ring of the second magnetic unit 2908 to the inner ring (as shown by the direction c on the right side of the first magnetic unit 2902 in the figure, the magnetization direction of the first magnetic unit 2902 may deflect 270 degrees in a clockwise direction).

Compared with a magnetic circuit component with a single magnetic unit, the first full magnetic field changing unit 2906 in the magnetic circuit component 2900 may increase the total magnetic flux in the magnetic gap, thereby increasing the magnetic induction intensity in the magnetic gap. And, under the action of the first full magnetic field changing unit 2906, originally scattered magnetic induction lines may converge to the position of the magnetic gap, further increasing the magnetic induction intensity in the magnetic gap.

FIG. 35 is a longitudinal sectional view illustrating a magnetic circuit component 3000 according to some embodiments of the present disclosure. As shown in FIG. 35 , in some embodiments, the magnetic circuit component 3000 may include the first magnetic unit 2902, a first magnetically conductive unit 2904, a first full magnetic field changing unit 2906, a second magnetic unit 2908, a third magnetic unit 2910, a fourth magnetic unit 2912, a fifth magnetic unit 2916, a sixth magnetic unit 2918, a seventh magnetic unit 2920, and a second ring unit 2922. In some embodiments, the first full magnetic field changing unit 2906 and/or the second ring unit 2922 may include a ring-shaped magnetic unit or a ring-shaped magnetically conductive unit. The ring-shaped magnetic unit may include any one or more magnetic materials described in the present disclosure. The ring-shaped magnetically conductive unit may include any one or more magnetically conductive materials described in the present disclosure.

In some embodiments, the sixth magnetic unit 2918 may be connected to the fifth magnetic unit 2916 and the second ring unit 2922. The seventh magnetic unit 2920 may be connected to the third magnetic unit 2910 and the second ring unit 2922. In some embodiments, the first magnetic unit 2902, the fifth magnetic unit 2916, the second magnetic unit 2908, the third magnetic unit 2910, the fourth magnetic unit 2912, the sixth magnetic unit 2918, and/or the seventh magnetic unit 2920, the first magnetically conductive unit 2904, the first full magnetic field changing unit 2906, and the second ring unit 2922 may form a magnetic circuit.

In some embodiments, an included angle between the magnetization direction of the first magnetic unit 2902 and a magnetization direction of the sixth magnetic unit 2918 may be between 0 degrees and 180 degrees. In some embodiments, the angle between the magnetization direction of the first magnetic unit 2902 and the magnetization direction of the sixth magnetic unit 2918 may be between 45 degrees and 135 degrees. In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2902 and the magnetization direction of the sixth magnetic unit 2918 may not be higher than 90 degrees. In some embodiments, the magnetization direction of the first magnetic unit 2902 may be perpendicular to the lower surface or the upper surface of the first magnetic unit 2902 and be vertically upward (as shown by the direction a in the figure). The magnetization direction of the sixth magnetic unit 2918 may be directed from an outer ring of the sixth magnetic unit 2918 to an inner ring (as shown by the direction f on a right side of the first magnetic unit 2902 in the figure, the magnetization direction of the first magnetic unit 2902 may deflect 270 degrees in a clockwise direction). In some embodiments, in the same vertical direction, the magnetization direction of the sixth magnetic unit 2918 may be the same as that of the second magnetic unit 2908. In some embodiments, the magnetization direction of the first magnetic unit 2902 may be perpendicular to the lower surface or the upper surface of the first magnetic unit 2902 and be vertically upward (as shown by the direction a in the figure). The magnetization direction of the seventh magnetic unit 2920 may be directed from the lower surface of the seventh magnetic unit 2920 to the upper surface (as shown by the direction e on the right side of the first magnetic unit 2902 in the figure, the magnetization direction of the first magnetic unit 2902 may deflect 360 degrees in the clockwise direction). In some embodiments, a magnetization direction of the seventh magnetic unit 2920 may be the same as that of the fourth magnetic unit 2912.

In some embodiments, at a position of the sixth magnetic unit 2918, an included angle between a direction of a magnetic field generated by the magnetic circuit component 2900 and the magnetization direction of the sixth magnetic unit 2918 may not be higher than 90 degrees. In some embodiments, at the position of the sixth magnetic unit 2918, the included angle between the direction of the magnetic field generated by the first magnetic unit 2902 and the direction of magnetization of the sixth magnetic unit 2918 may be less than or equal to 90 degrees, such as 0 degrees, 10 degrees, or 20 degrees.

In some embodiments, an included angle between the magnetization direction of the first magnetic unit 2902 and the magnetization direction of the seventh magnetic unit 2920 may be between 0 degrees and 180 degrees. In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2902 and the magnetization direction of the seventh magnetic unit 2920 may be between 45 degrees and 135 degrees. In some embodiments, the included angle between the magnetization direction of the first magnetic unit 2902 and the magnetization direction of the seventh magnetic unit 2920 may not be higher than 90 degrees.

In some embodiments, at a position of the seventh magnetic unit 2920, an included angle between a direction of a magnetic field generated by the magnetic circuit component 3000 and the magnetization direction of the seventh magnetic unit 2920 may not be higher than 90 degrees. In some embodiments, at the position of the seventh magnetic unit 2920, the included angle between the direction of the magnetic field generated by the first magnetic unit 2902 and the direction of magnetization of the seventh magnetic unit 2920 may be less than or equal to 90 degrees, such as 0 degrees, 10 degrees, or 20 degrees.

In some embodiments, the first full magnetic field changing unit 2906 may be a ring-shaped magnetic unit. In the case, a magnetization direction of the first full magnetic field changing unit 2906 may be the same as that of the second magnetic unit 2908 or the fourth magnetic unit 2912. For example, on the right side of the first magnetic unit 2902, the magnetization direction of the first full magnetic field changing unit 2906 may be directed from an outer ring to an inner ring of the first full magnetic field changing unit 2906. In some embodiments, the second ring unit 2922 may be a ring-shaped magnetic unit. In the case, a magnetization direction of the second ring unit 2922 may be the same as that of the sixth magnetic unit 2918 or the seventh magnetic unit 2920. For example, on the right side of the first magnetic unit 2902, the magnetization direction of the second ring unit 2922 may be directed from an outer ring to an inner ring of the second ring unit 2922.

In the magnetic circuit component 3000, a number of magnetic units may increase the total magnetic flux. Different magnetic units may interact with each other, thereby suppressing the leakage of the magnetic induction lines, increasing the magnetic induction strength in the magnetic gap, and improving the sensitivity of the loud speaking component.

FIG. 36 is a longitudinal sectional view illustrating a magnetic circuit component 3100 according to some embodiments of the present disclosure. As shown in FIG. 36 , the magnetic circuit component 3100 may include a first magnetic unit 3102, a first magnetically conductive unit 3104, a second magnetically conductive unit 3106, and a second magnetic unit 3108.

In some embodiments, the first magnetic unit 3102 and/or the second magnetic unit 3108 may include any one or more of the magnets described in the present disclosure. In some embodiments, the first magnetic unit 3102 may include a first magnet. The second magnetic unit 3108 may include a second magnet. The first magnet may be the same as or different from the second magnet. The first magnetically conductive unit 3104 and/or the second magnetically conductive unit 3106 may include any one or more magnetically conductive materials described in the present disclosure. The processing manner of the first magnetically conductive unit 3104 and/or the second magnetically conductive unit 3106 may include any one or more processing manners described in the present disclosure. In some embodiments, the first magnetic unit 3102, the first magnetically conductive unit 3104, and/or the second magnetic unit 3108 may be disposed as an axisymmetric structure. For example, the first magnetic unit 3102, the first magnetically conductive unit 3104, and/or the second magnetic unit 3108 may be cylinders. In some embodiments, the first magnetic unit 3102, the first magnetically conductive unit 3104, and/or the second magnetic unit 3108 may be coaxial cylinders with the same diameter or different diameters. The thickness of the first magnetic unit 3102 may be greater than or equal to the thickness of the second magnetic unit 3108. In some embodiments, the second magnetically conductive unit 3106 may be a groove-type structure. The groove-type structure may include a U-shaped section. The groove-type second magnetically conductive unit 3106 may include a bottom plate and a side wall. In some embodiments, the bottom plate and the side wall may be integrally formed as a whole. For example, the side wall may be formed by extending the bottom plate in a direction perpendicular to the bottom plate. In some embodiments, the bottom plate may be connected to the side wall through any one or more connection manners described in the present disclosure. The second magnetic unit 3108 may be disposed as a ring shape or a sheet shape. The shape of the second magnetic unit 3108 may refer to descriptions elsewhere in the specification. In some embodiments, the second magnetic unit 3108 may be coaxial with the first magnetic unit 3102 and/or the first magnetically conductive unit 3104.

An upper surface of the first magnetic unit 3102 may be connected to a lower surface of the first magnetically conductive unit 3104. A lower surface of the first magnetic unit 3102 may be connected to the bottom plate of the second magnetically conductive unit 3106. A lower surface of the second magnetic unit 3108 may be connected to an upper surface of the first magnetically conductive unit 3104. A connection manner between the first magnetic unit 3102, the first magnetically conductive unit 3104, the second magnetically conductive unit 3106 and/or the second magnetic unit 3108 may include one or more manners such as bonding, snapping, welding, riveting, bolting, or the like, or any combination thereof.

A magnetic gap may be formed between the first magnetic unit 3102, the first magnetically conductive unit 3104, and/or the second magnetic unit 3108 and the side wall of the second magnetically conductive unit 3106. A voice coil may be disposed in the magnetic gap. In some embodiments, the first magnetic unit 3102, the first magnetically conductive unit 3104, the second magnetically conductive unit 3106, and the second magnetic unit 3108 may form a magnetic circuit. In some embodiments, the magnetic circuit component 3100 may generate a first full magnetic field. The first magnetic unit 3102 may generate a second magnetic field. The first full magnetic field may be formed by magnetic fields generated by all components (e.g., the first magnetic unit 3102, the first magnetically conductive unit 3104, the second magnetically conductive unit 3106, and the second magnetic unit 3108) in the magnetic circuit component 3100. A magnetic field strength of the first full magnetic field in the magnetic gap (also referred to magnetic induction strength or magnetic flux density) may be greater than a magnetic field strength of the second magnetic field in the magnetic gap. In some embodiments, the second magnetic unit 3108 may generate a third magnetic field. The third magnetic field may increase the magnetic field strength of the second magnetic field in the magnetic gap.

In some embodiments, an included angle between a magnetization direction of the second magnetic unit 3108 and a magnetization direction of the first magnetic unit 3102 may be between 90 degrees and 180 degrees. In some embodiments, the included angle between the magnetization direction of the second magnetic unit 3108 and the magnetization direction of the first magnetic unit 3102 may be between 150 degrees and 180 degrees. In some embodiments, the magnetization direction of the second magnetic unit 3108 may be opposite to that of the first magnetic unit 3102 (the direction a and the direction b shown in the figure).

Compared with a magnetic circuit component with a single magnetic unit, the magnetic circuit component 3100 may add the second magnetic unit 3108. The magnetization direction of the second magnetic unit 3108 may be opposite to the magnetization direction of the first magnetic unit 3102, which may suppress a magnetic leakage of the first magnetic unit 3102 in the magnetization direction. Therefore, the magnetic field generated by the first magnetic unit 3102 may be more compressed into the magnetic gap, thereby increasing the magnetic induction strength within the magnetic gap.

FIG. 28A is a schematic diagram illustrating a structure of a loud speaking component according to some embodiments of the present disclosure. FIG. 28B is a schematic diagram illustrating a structure of a loud speaking component according to some embodiments of the present disclosure. In a specific embodiment, referring to FIG. 7 , FIG. 28A and FIG. 28B, the eyeglass frame may include the eyeglass rim 11, the nose pad 12, the spectacle lens 13, and the eyeglass temple 15. The loud speaking component may be connected to the eyeglass temple 15 through a connection component. In some embodiments, the structure of the loud speaking component may be shown in FIGS. 28A and 28B. The loud speaking component may include a vibration unit and the transducing device 22. The vibration unit may include the core housing 210 and the vibration panel 221. The transducing device 22 may be located inside and connected to the vibration unit. Preferably, the vibration unit may include the panel and the vibration transmission layer described above. A contact panel may be a surface of the vibration unit 1202 in contact with the user, preferably, an outer surface of the vibration transmission layer.

During a usage, the connection component may fix the loud speaking component to a specific portion of the user (e.g., the head), and provide a clamping force between the vibration unit and the user. The contact panel may be connected to the transducing device 22 and keep contact with the user to transmit a sound to the user through vibration. In order to obtain an earphone holder/earphone strap that meets a specific clamping force condition, those skilled in the art may choose connection components with different shapes and structures according to actual situations. It should be noted that the clamping force of the eyeglass temple 15 may not only affect the efficiency of sound transmission, but also affect the feeling of the user in the bass frequency range. The clamping force mentioned herein may be a pressure between the contact panel and the user. Preferably, the clamping force may be between 0.1 N to 5 N. More preferably, the clamping force may be between 0.1 N to 4 N. Even more preferably, the clamping force may be between 0.2 N to 3 N. Even more preferably, the clamping force may be between 0.2 N to 1.5 N. Even more preferably, the clamping force may be between 0.3 N to 1.5 N.

FIG. 37 is a vibration response curve illustrating a bone conduction loud speaking component under different pressures between a contact surface and a user according to some embodiments of the present disclosure. FIG. 38 is a vibration response curve illustrating a bone conduction loud speaking component under different pressures between a contact surface and a user according to some embodiments of the present disclosure. In a process of vibration transmission, if a clamping force is lower than a certain threshold, it may not facilitate the transmission of high frequency vibration. As shown in (a), for the same vibration source (sound source), midrange-frequency and high-frequency portions of a vibration (sound) received by a wearer when the clamping force is 0.1 N may be significantly less than those of a received vibration (sound) when the clamping force is 0.2 N and 1.5 N. That is, with respect to sound quality, the performance of the midrange-frequency and high-frequency portions when the clamping force is 0.1 N may be weaker than the performance of those when the clamping force is between 0.2 N to 1.5 N. Similarly, in the process of vibration transmission, if the clamping force is greater than a certain threshold, it may not facilitate the transmission of low-frequency vibration. As shown in (b), for the same vibration source (sound source), midrange-frequency and low-frequency portions of a vibration (sound) received by the wearer when the clamping force is 5.0 N may be significantly less than those of a received vibration (sound) when the clamping force is 0.2 N and 1.5 N. That is, with respect to sound quality, the performance of the low-frequency portion when the clamping force is 5.0 N may be weaker than the performance of that when the clamping force is between 0.2 N to 1.5 N.

In a specific embodiment, by selecting a suitable connection component, the pressure between the contact surface and the user may be kept in a proper range. The pressure between the contact surface and the user may be greater than a certain threshold. Preferably, the threshold may be 0.1 N. More preferably, the threshold may be 0.2 N. More preferably, the threshold may be 0.3 N. Even more preferably, the threshold may be 0.5 N. The pressure between the contact surface and the user may be less than another threshold. Preferably, the threshold may be 5.0 N. More preferably, the threshold may be 4 N. Even more preferably, the threshold may be 3 N. Even more preferably, the threshold may be 1.5 N.

In some embodiments, the loud speaking component described above may also transmit the sound to the user through air conduction. When the air condition is used to transmit the sound, the loud speaking component may include one or more sound sources. The sound source may be located at a specific position of the user's head, for example, the top of the head, a forehead, a cheek, a temple, an auricle, the back of an auricle, etc., without blocking or covering an ear canal. FIG. 39 is a schematic diagram illustrating transmitting a sound through air conduction according to some embodiments of the present disclosure.

As shown in FIG. 39 , a sound source 2810 and a sound source 2820 may generate sound waves with opposite phases (“+” and “−” in the figure may indicate the opposite phases). For brevity, the sound sources mentioned herein may refer to sound outlets of the loud speaking component that may output sounds. For example, the sound source 2810 and the sound source 2820 may be two sound outlets respectively located at specific positions of the loud speaking component (e.g., the core housing 108, or the eyeglass temple 15).

In some embodiments, the sound source 2810 and the sound source 2820 may be generated by the same vibration device 2801. The vibration device 2801 may include a diaphragm (not shown in the figure). When the diaphragm is driven to vibrate by an electric signal, the front side of the diaphragm may drive air to vibrate. The sound source 2810 may format the sound output through a sound guiding channel 2812. The back of the diaphragm may drive air to vibrate, and the sound source 2820 may be formed at the sound output hole through a sound guiding channel 2822. The sound guiding channel may refer to a sound transmission route from the diaphragm to the corresponding outlet. In some embodiments, the sound guiding channel may be a route surrounded by a specific structure (e.g., the core housing 108, or the eyeglass temple 15) on the loud speaking component. It should to be known that in some alternative embodiments, the sound source 2810 and the sound source 2820 may also be generated by different vibrating diaphragms of different vibration devices, respectively.

Among the sounds generated by the sound source 2810 and the sound source 2820, one portion may be transmitted to the ear of the user to form the sound heard by the user. Another portion may be transmitted to the environment to form a leaked sound. Considering that the sound source 2810 and the sound source 2820 are relatively close to the ears of the user, for convenience of description, the sound transmitted to the ears of the user may be referred to as a near-field sound. The leaked sound transmitted to the environment may be referred to as a far-field sound. In some embodiments, the near-field/far-field sounds of different frequencies generated by the loud speaking component may be related to a distance between the sound source 2810 and the sound source 2820. Generally speaking, the near-field sound generated by the loud speaking component may increase as the distance between the two sound sources increases, while the generated far-field sound (the leaked sound) may increase with increasing the frequency.

For the sounds of different frequencies, the distance between the sound source 2810 and the sound source 2820 may be designed, respectively, so that a low-frequency near-field sound (e.g., a sound with a frequency of less than 800 Hz) generated by the loud speaking component may be as large as possible and a high-frequency far-field sound (e.g., a sound with a frequency greater than 2000 Hz) may be as small as possible. In order to implement the above purpose, the loud speaking component may include two or more sets of dual sound sources. Each set of the dual sound sources may include two sound sources similar to the sound source 2810 and the sound source 2820, and generate sounds with specific frequencies, respectively. Specifically, a first set of the dual sound sources may be used to generate low frequency sounds. A second set of the dual sound sources may be used to generate high frequency sounds. In order to obtain more low-frequency near-field sounds, the distance between two sound sources in the first set of the dual sound sources may be set to a larger value. Since the low-frequency signal has a longer wavelength, the larger distance between the two sound sources may not cause a large phase difference in the far-field, and not form excessive leaked sound in the far-field. In order to make the high-frequency far-field sound smaller, the distance between the two sound sources in the second set of the dual sound sources may be set to a smaller value. Since the high-frequency signal has a shorter wavelength, the smaller distance between the two sound sources may avoid the generation of the large phase difference in the far-field, and thus the generation of the excessive leaked sounds may be avoided. The distance between the second set of the dual sound sources may be less than the distance between the first set of the dual sound sources.

It should be noted that the above description of the sound conduction manner for changing the air conduction may be only a specific example, and should not be considered as the only feasible implementation. Obviously, for those skilled in the art, after understanding the basic principles of the air conduction, it may be possible to target air conduction loud speaking component of different shapes and structures without departing from these principles, but these changes may still be within the scope of the above description. For example, the sound guiding channel 2822 may be disposed in the eyeglasses according to other descriptions. All such variations are within the protection scope of the present disclosure.

The beneficial effects of the embodiments of the present disclosure may include but be not limited to the following. (1) Through the rotating shaft, the eyeglass rim and eyeglass temple may be connected, thereby protecting the connection wire in the eyeglasses, and extending the life of the connection wire. (2) The flexible circuit board may simplify the wiring manner in the speaker. (3) The sound guiding hole may reduce the vibration of the housing and suppress the leaked sound. (4) The composite vibration device may improve the sound quality of the loud speaking component. It should be noted that different embodiments may have different beneficial effects. In different embodiments, the possible beneficial effects may be any one or a combination of the above, and may be any other beneficial effects that may be obtained.

Having thus described the basic concepts, it may be rather apparent to those skilled in the art after reading this detailed disclosure that the foregoing detailed disclosure is intended to be presented by way of example only and is not limiting. Various alterations, improvements, and modifications may occur and are intended to those skilled in the art, though not expressly stated herein. These alterations, improvements, and modifications are intended to be suggested by this disclosure, and are within the spirit and scope of the exemplary embodiments of this disclosure. 

What is claimed is:
 1. Eyeglasses, wherein the eyeglasses include: an eyeglass rim; an eyeglass temple, the eyeglass temple comprising a control circuit; a rotating shaft, the rotating shaft being configured to connect the eyeglass rim and the eyeglass temple, so that the eyeglass rim and the eyeglass temple are relatively rotated around the rotating shaft, and the rotating shaft being disposed with a rotating shaft wiring channel along an axial direction; a connection wire, the connection wire passing through the rotating shaft wiring channel and extending to the eyeglass rim and the eyeglass temple, respectively; and a loud speaking component, the loud speaking component comprising an earphone core, the loud speaking component being connected to the eyeglass temple, the control circuit in the eyeglass temple driving the earphone core to vibrate to generate a sound through the connection wire, and the sound comprising at least two formants.
 2. The eyeglasses of claim 1, wherein the rotating shaft includes a first rotating shaft; two ends of the first rotating shaft are respectively connected to the eyeglass rim and the eyeglass temple; the rotating shaft wiring channel is disposed along an axial direction of the first rotating shaft; the rotating shaft wiring channel communicates with an outside through a wiring port disposed on at least one end surface of the first rotating shaft; and the connection wire extends to the eyeglass rim or the eyeglass temple through the wiring port.
 3. The eyeglasses of claim 2, wherein the rotating shaft wiring channel communicates with the outside through a first wiring port and a second wiring port respectively disposed on two end surfaces of the first rotating shaft; and the connection wire extends to the eyeglass rim and the eyeglass temple through the first wiring port and the second wiring port, respectively.
 4. The eyeglasses of claim 2, wherein the rotating shaft wiring channel communicates with the outside through a first wiring port disposed on an end surface of the first shaft and a second wiring port disposed on a side wall of the first shaft; and the connection wire extends to the eyeglass rim and the eyeglass temple through the first wiring port and the second wiring port, respectively.
 5. The eyeglasses of claim 4, wherein the first rotating shaft is fixedly connected to one of the eyeglass rim and the eyeglass temple disposed near the second wiring port, and rotatably connected to another of the eyeglass rim and the eyeglass temple disposed near the first wiring port.
 6. The eyeglasses of claim 4, wherein the rotating shaft further comprises a second shaft that is coaxial with and spaced from the first shaft; the eyeglass rim includes a first lug, and the eyeglass temple includes a second lug and a third lug disposed at intervals; end portions of the first rotating shaft and the second rotating shaft close to each other are connected to the first lug, end portions of the first rotating shaft and the second rotating shaft away from each other are connected to the second lug and the third lug, respectively, so as to keep the first lug between the second lug and the third lug.
 7. The eyeglasses of claim 6, wherein the first wiring port is disposed on an end surface of the first rotating shaft close to the second rotating shaft; the second wiring port is disposed on a side wall of the first rotating shaft close to the second lug; and the first rotating shaft is rotatably connected to the first lug and fixedly connected to the second lug.
 8. The eyeglasses of claim 7, wherein the first lug and the second lug are coaxially disposed with a first accommodating hole and a second accommodating hole; and sizes of the first accommodating hole and the second accommodating hole are disposed to allow the first rotating shaft to be inserted into the first accommodating hole from outside of the eyeglass temple via the second accommodating hole and allow the first rotating shaft in an interference fit with the second accommodating hole and in a clearance fit with the first accommodating hole.
 9. The eyeglasses of claim 7, wherein the first lug and the third lug are coaxially disposed with a third accommodating hole and a fourth accommodating hole; and sizes of the third accommodating hole and the fourth accommodating hole are disposed to allow the second rotating shaft to be inserted into the third accommodating hole from outside of the eyeglass temple via the fourth accommodating hole and allow the second rotating shaft in an interference fit with the third accommodating hole and in a clearance fit with the fourth accommodating hole, or allow the second rotating shaft in a clearance fit with the third accommodating hole and in an interference fit with the fourth accommodating hole.
 10. The eyeglasses of claim 9, wherein the second rotating shaft is a solid shaft; a diameter of the second rotating shaft is less than a diameter of the first rotating shaft; in a wearing state, the second rotating shaft is located at an upper side of the eyeglass temple, and the first rotating shaft is located at a lower side of the eyeglass temple; and a connection between the end surface of the first rotating shaft for disposing the first wiring port and a surface of an inner wall of the first rotating shaft for defining the rotating shaft wiring channel is an arc shape.
 11. The eyeglasses of claim 1, wherein the loud speaking component further comprises: an auxiliary function module configured to receive an auxiliary signal and execute an auxiliary function; a flexible circuit board configured to electrically connect to an audio signal wire and an auxiliary signal wire of the control circuit, and electrically connect the audio signal wire and the auxiliary signal wire with the earphone core and the auxiliary function module via the flexible circuit board, respectively; and a core housing configured to accommodate the earphone core, the auxiliary function module, and the flexible circuit board.
 12. The eyeglasses of claim 11, wherein the flexible circuit board at least comprises a number of first pads and a number of second pads; at least one of the number of first pads is electrically connected to the audio signal wire, the at least one first pad is electrically connected to at least one of the number of second pads via a first flexible lead on the flexible circuit board, and the at least one second pad is electrically connected to the earphone core via an external wire; and at least another one of the number of first pads is electrically connected to the auxiliary signal wire, and the at least another one first pad is electrically connected to the auxiliary function module via a second flexible lead on the flexible circuit board.
 13. The eyeglasses of claim 12, wherein the flexible circuit board includes at least a main circuit board and a first branch circuit board; the first branch circuit board is connected to the main circuit board, away from the main circuit board, and extend along one end of the main circuit board; the auxiliary function module includes at least a first auxiliary function module and a second auxiliary function module; the first auxiliary function module is disposed on the main circuit board; and the second auxiliary function module is disposed on the first branch circuit board.
 14. The eyeglasses of claim 13, wherein the flexible circuit board further includes a second branch circuit board; the second branch circuit board is connected to the main circuit board, away from the main circuit board, extends along the other end of the main circuit board, and is spaced apart from the first branch circuit board; and the auxiliary function module further includes a third auxiliary function module, and the third auxiliary function module is disposed on the second branch circuit board.
 15. The eyeglasses of claim 12, wherein the earphone core includes: a magnetic circuit component configured to provide a magnetic field; a vibration component, the vibration component comprising a coil and an inner lead, wherein the coil is located in the magnetic field, the inner lead is electrically connected to the coil, the coil receives an audio current via the inner lead and converts the audio current into a mechanical vibration signal under an action of the magnetic field, one end of the external wire is electrically connected to the second pad, and the other end of the external wire is electrically connected to the inner lead, and transmitting the audio current to the coil.
 16. The eyeglasses of claim 15, wherein the earphone core further comprises a composite vibration device constituted by a vibration plate and a second vibration transmission plate, the composite vibration device generating the two formants; the vibration plate is physically connected to the coil, and the second vibration transmission plate is physically connected to a magnetic circuit system.
 17. The eyeglasses of claim 16, wherein the earphone core further comprises a first vibration transmission plate; the first vibration transmission plate is physically connected to the composite vibration device; the first vibration transmission plate is physically connected to an core housing; and the first vibration transmission plate generates another formant.
 18. The eyeglasses of claim 11, wherein at least a portion of the core housing is disposed with at least one sound guiding hole; the at least one sound guiding hole derives a sound wave inside the core housing; and the sound wave superimposes with a leaked sound wave generated by vibration of the core housing to reduce a leaked sound.
 19. The eyeglasses of claim 15, wherein the magnetic circuit component comprises: a first magnetic unit, the first magnetic unit generating a second magnetic field; a first magnetically conductive unit; and at least one second magnetic unit, the at least one second magnetic unit surrounding the first magnetic unit and forming a magnetic gap with the first magnetic unit, a magnetic field strength of a first magnetic field in the magnetic gap being greater than a magnetic field strength of the second magnetic field in the magnetic gap.
 20. The eyeglasses of claim 11, wherein the core housing further comprises a contact surface in direct or indirect contact with a user; a pressure between the contact surface and the user is greater than 0.1 N; or the pressure between the contact surface and the user is smaller than 5 N. 